{"title":"Copper, Brass, Nickel Silver Metals \u0026 Alloys","description":"\u003cp\u003eDiscover premium quality metals for your jewelry projects. Our extensive selection includes copper, brass, and nickel silver in various forms - from sheets and wires to stampings and components. Perfect for both beginners and professional jewelers seeking versatile, durable materials that offer exceptional workability and beautiful finishes.\u003c\/p\u003e","products":[{"product_id":"brass-eyelets-1-8-5-32-inch-pack-24","title":"Brass Eyelets-1\/8\" or 5\/32\"-Packs of 24","description":"\u003cp\u003eThese brass eyelets are designed for use with a riveting tool to create smooth, consistent flares with a clean, professional finish. Each eyelet features a semi-rounded head and open center, making it easy to thread cord or string through the opening. The solid brass construction delivers dependable performance for jewelry, leather, and craft applications.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSemi-rounded head for a neat, finished appearance\u003c\/li\u003e\n\u003cli\u003eOpen center allows easy threading of cord or string\u003c\/li\u003e\n\u003cli\u003eDesigned for use with a riveting tool for consistent flaring\u003c\/li\u003e\n\u003cli\u003eSolid brass construction for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for jewelry making, leatherwork, and general craft projects\u003c\/li\u003e\n\u003cli\u003eSold in convenient packs of 24\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eSemi-Rounded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter\u003c\/th\u003e\n\u003ctd\u003eOpen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e148.432\u003c\/td\u003e\n\u003ctd\u003e1\/8\" (3.18 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e148.433\u003c\/td\u003e\n\u003ctd\u003e5\/32\" (3.97 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFor best results, use with a compatible riveting tool sized appropriately for the selected eyelet diameter.\u003c\/p\u003e\n\u003cp\u003eWant to buy several variants quickly? Open the Quick Order tab and add everything in one go.\u003c\/p\u003e","brand":"Eurotool","offers":[{"title":"1\/8\"","offer_id":47551685558486,"sku":"148.432","price":4.7,"currency_code":"USD","in_stock":true},{"title":"5\/32\"","offer_id":47551685591254,"sku":"148.433","price":4.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/brass-eyelets-18-or-532-packs-of-24-otto-frei.jpg?v=1719959035"},{"product_id":"copper-plated-eyelets-packs-24","title":"Copper Plated Eyelets-1\/8\" or 5\/32\"-Packs of 24","description":"\u003cp\u003eThese copper plated eyelets are designed for use with a riveting tool, allowing jewelers and metalsmiths to create smooth, consistent flares in every piece. Each eyelet features a semi-rounded head with an open center, making it easy to pass a string or cord through for functional and decorative applications. Sold in packs of 24.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCopper plated finish for a warm, professional appearance\u003c\/li\u003e\n\u003cli\u003eSemi-rounded head design with an open center\u003c\/li\u003e\n\u003cli\u003eDesigned for use with a riveting tool\u003c\/li\u003e\n\u003cli\u003eProduces smooth, even flares consistently\u003c\/li\u003e\n\u003cli\u003eOpen center allows string or cord to pass through\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e24 eyelets per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e148.442\u003c\/td\u003e\n\u003ctd\u003e1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e148.443\u003c\/td\u003e\n\u003ctd\u003e5\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Eurotool","offers":[{"title":"1\/8\"","offer_id":47551685853398,"sku":"148.442","price":5.9,"currency_code":"USD","in_stock":true},{"title":"5\/32\"","offer_id":47551685886166,"sku":"148.443","price":5.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-plated-eyelets-18-or-532-packs-of-24-otto-frei.jpg?v=1719959035"},{"product_id":"silver-color-eyelets-1-8-5-32-pack-24","title":"Silver-Color Eyelets-1\/8\" or 5\/32\"-Packs of 24","description":"\u003cp\u003eThese silver-color eyelets are perfect for use with a riveting tool, delivering smooth, consistent flares on every piece. Each eyelet features a semi-rounded head with an open center, allowing a string or cord to pass through. Made in the USA and sold in convenient packs of 24.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSemi-rounded head with open center for string or cord pass-through\u003c\/li\u003e\n\u003cli\u003eDesigned for use with a riveting tool\u003c\/li\u003e\n\u003cli\u003eCreates smooth, uniform flares consistently\u003c\/li\u003e\n\u003cli\u003eSilver color finish\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e24 eyelets per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eSemi-rounded, open center\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e148.452\u003c\/td\u003e\n\u003ctd\u003e1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e148.453\u003c\/td\u003e\n\u003ctd\u003e5\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Eurotool","offers":[{"title":"1\/8\"","offer_id":47551685951702,"sku":"148.452","price":5.9,"currency_code":"USD","in_stock":true},{"title":"5\/32\"","offer_id":47551685984470,"sku":"148.453","price":5.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/silver-color-eyelets-18-or-532-packs-of-24-otto-frei.jpg?v=1719959031"},{"product_id":"copper-sheet-metal-6x6-square-18-30-gauge","title":"Copper Sheet Metal 6\" x 6\" Square","description":"\u003cp\u003e6 × 6 inch square copper sheet metal supplied straight from the mill for forming, cutting, and fabrication. The raw surface reflects its as-rolled condition, ready for polishing, texturing, or finishing to suit your work.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePure copper sheet in a flat, square format\u003c\/li\u003e\n\u003cli\u003eSupplied mill-finish, unpolished\u003c\/li\u003e\n\u003cli\u003eIndividually wrapped on cardboard for protection\u003c\/li\u003e\n\u003cli\u003eSuitable for jewelry fabrication, forming, and general metalwork\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple gauges to suit different applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePure Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSheet Size\u003c\/th\u003e\n\u003ctd\u003e6 × 6 in (152 × 152 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eMill Finish (Unpolished)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.381\u003c\/td\u003e\n\u003ctd\u003e18 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.382\u003c\/td\u003e\n\u003ctd\u003e20 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.383\u003c\/td\u003e\n\u003ctd\u003e22 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.384\u003c\/td\u003e\n\u003ctd\u003e24 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.385\u003c\/td\u003e\n\u003ctd\u003e26 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.386\u003c\/td\u003e\n\u003ctd\u003e28 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.387\u003c\/td\u003e\n\u003ctd\u003e30 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eSheets are supplied directly from the mill and are not polished or finished. Natural surface discolorations may be present and can be polished away if desired.\u003c\/p\u003e","brand":"Eurotool","offers":[{"title":"18 Gauge","offer_id":47551336382678,"sku":"143.381","price":18.25,"currency_code":"USD","in_stock":true},{"title":"20 Gauge","offer_id":47551336317142,"sku":"143.382","price":14.5,"currency_code":"USD","in_stock":true},{"title":"22 Gauge","offer_id":47551336349910,"sku":"143.383","price":13.25,"currency_code":"USD","in_stock":true},{"title":"24 Gauge","offer_id":47551336284374,"sku":"143.384","price":9.65,"currency_code":"USD","in_stock":true},{"title":"26 Gauge","offer_id":47551336251606,"sku":"143.385","price":7.25,"currency_code":"USD","in_stock":true},{"title":"28 Gauge","offer_id":47551336218838,"sku":"143.386","price":8.25,"currency_code":"USD","in_stock":true},{"title":"30 Gauge","offer_id":47551336186070,"sku":"143.387","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-sheet-metal-6-x-6-square-otto-frei.jpg?v=1719959019"},{"product_id":"nickel-silver-sheet-metal-alloy-752-6x6-square","title":"Nickel Silver Sheet Metal 6\" x 6\" Square","description":"\u003cp\u003eNickel silver is an alloy of brass containing mostly brass combined with nickel and zinc. There are many alloy formulas called nickel silver — this sheet is \u003cstrong\u003eNickel Alloy 752\u003c\/strong\u003e, composed of 65% brass, 18% nickel, and 17% zinc. \u003cem\u003eIt contains no elemental silver.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eFirst developed in China and later mass-produced in Germany, nickel silver is also known as German silver. Its bright, silver-like appearance makes it a popular base metal for metalsmithing, fabrication, and decorative work.\u003c\/p\u003e\u003cp\u003eThese nickel silver sheets are sold individually wrapped on cardboard. Sheets come straight from the mill and are not polished or finished in any way. Natural surface discolorations may be present and can be polished away.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDue to worldwide disruptions in the nickel market, supply and availability of nickel sheet metal has been greatly impacted. If we are out of stock, firm restock dates are not available. Prices are subject to change without notice, and we are not accepting pre-paid back orders. Use the \"Email me when back in stock\" feature to be notified when stock becomes available.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNickel Alloy 752 composition: 65% brass, 18% nickel, 17% zinc\u003c\/li\u003e\n\u003cli\u003eContains no elemental silver\u003c\/li\u003e\n\u003cli\u003eAlso known as German silver — bright, silver-like appearance\u003c\/li\u003e\n\u003cli\u003eSold individually, wrapped on cardboard\u003c\/li\u003e\n\u003cli\u003eSupplied straight from the mill — not polished or finished\u003c\/li\u003e\n\u003cli\u003eNatural surface discolorations can be polished away\u003c\/li\u003e\n\u003cli\u003eAvailable in three gauges to suit a range of metalsmithing applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAlloy\u003c\/th\u003e\n\u003ctd\u003eNickel Alloy 752\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003e65% brass, 18% nickel, 17% zinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSheet Size\u003c\/th\u003e\n\u003ctd\u003e6\" x 6\" square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eMill finish (unpolished)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eIndividually wrapped on cardboard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.363\u003c\/td\u003e\n\u003ctd\u003e22 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.364\u003c\/td\u003e\n\u003ctd\u003e24 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.365\u003c\/td\u003e\n\u003ctd\u003e26 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis product contains nickel. See Proposition 65 warnings where applicable.\u003c\/li\u003e\n\u003cli\u003ePrices are subject to change without notice due to nickel market volatility.\u003c\/li\u003e\n\u003cli\u003ePre-paid back orders are not accepted. Use the \"Email me when back in stock\" feature for restock notifications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eurotool","offers":[{"title":"22 Gauge","offer_id":47561551053014,"sku":"143.363","price":19.95,"currency_code":"USD","in_stock":true},{"title":"24 Gauge","offer_id":47551336153302,"sku":"143.364","price":15.95,"currency_code":"USD","in_stock":true},{"title":"26 Gauge","offer_id":47557338431702,"sku":"143.365","price":13.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nickel-silver-sheet-metal-6-x-6-square-otto-frei.jpg?v=1719959019"},{"product_id":"red-brass-sheet-metal-6x6-square-18-30-gauge","title":"Brass Sheet Metal 6\" x 6\" Square","description":"\u003cp\u003eThese 6\" x 6\" red brass sheet metal squares are sold individually, each wrapped on cardboard for protection. Red brass is a copper-zinc alloy with a higher copper content (80%) than standard yellow brass (68%–70%), giving it a distinctly warmer, reddish tone. Also known historically as gunmetal and sometimes called plumber's copper, red brass offers excellent workability for jewelry fabrication, metalsmithing, and related craft applications.\u003c\/p\u003e\u003cp\u003eSheets come straight from the mill with no additional polishing or finishing. Natural surface discolorations may be present and can be polished away as part of normal finishing work.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRed brass alloy with \u003cstrong\u003e80% copper content\u003c\/strong\u003e for a warm, reddish hue\u003c\/li\u003e\n\u003cli\u003e6\" x 6\" square format — consistent, easy-to-work size\u003c\/li\u003e\n\u003cli\u003eSold individually, wrapped on cardboard\u003c\/li\u003e\n\u003cli\u003eMill-direct sheets — no added polish or surface finish\u003c\/li\u003e\n\u003cli\u003eAvailable in six gauges from heavy 18 gauge to thin 30 gauge\u003c\/li\u003e\n\u003cli\u003eNatural surface discolorations present; polishes away easily\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eRed brass (copper-zinc alloy, 80% copper)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSheet Size\u003c\/th\u003e\n\u003ctd\u003e6\" x 6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eMill finish (unpolished)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003eIndividually wrapped on cardboard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.371\u003c\/td\u003e\n\u003ctd\u003e18 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.372\u003c\/td\u003e\n\u003ctd\u003e20 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.373\u003c\/td\u003e\n\u003ctd\u003e22 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.374\u003c\/td\u003e\n\u003ctd\u003e24 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.375\u003c\/td\u003e\n\u003ctd\u003e26 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.377\u003c\/td\u003e\n\u003ctd\u003e30 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Eurotool","offers":[{"title":"18 Gauge","offer_id":47807061557462,"sku":"143.371","price":18.95,"currency_code":"USD","in_stock":true},{"title":"20 Gauge","offer_id":47807061590230,"sku":"143.372","price":14.2,"currency_code":"USD","in_stock":true},{"title":"22 Gauge","offer_id":47807061524694,"sku":"143.373","price":9.75,"currency_code":"USD","in_stock":true},{"title":"24 Gauge","offer_id":47807061491926,"sku":"143.374","price":9.5,"currency_code":"USD","in_stock":false},{"title":"26 Gauge","offer_id":47807061459158,"sku":"143.375","price":6.5,"currency_code":"USD","in_stock":true},{"title":"30 Gauge","offer_id":47551336743126,"sku":"143.377","price":8.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/brass-sheet-metal-6-x-6-square-otto-frei.jpg?v=1719959019"},{"product_id":"18k-pink-solder-master-alloys-easy-medium-hard","title":"Pink Solder Alloys-For Making 18K Pink Solder-Easy, Medium \u0026 Hard","description":"\u003cp\u003eThese solder alloys are formulated to allow jewelers to make their own 18K pink solder in-house. \u003cstrong\u003eThese alloys contain no gold.\u003c\/strong\u003e To achieve 18K gold, simply combine 75% fine gold with 25% alloy by weight. Available in Easy, Medium, and Hard tempers to suit a range of soldering applications. Sold by the troy ounce (20 DWT).\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnables in-house production of 18K pink solder\u003c\/li\u003e\n\u003cli\u003eContains no gold — add your own fine gold to karat correctly\u003c\/li\u003e\n\u003cli\u003eSimple ratio: 75% fine gold + 25% alloy for 18K gold\u003c\/li\u003e\n\u003cli\u003eAvailable in three flow temperatures: Easy, Medium, and Hard\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce (20 DWT)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eKarat Target\u003c\/th\u003e\n\u003ctd\u003e18K Pink Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGold Content\u003c\/th\u003e\n\u003ctd\u003eNone — alloy only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMixing Ratio\u003c\/th\u003e\n\u003ctd\u003e75% fine gold + 25% alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 DWT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e846-13SA\u003c\/td\u003e\n\u003ctd\u003e18K Pink Hard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e846-14SA\u003c\/td\u003e\n\u003ctd\u003e18K Pink Medium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e846-15SA\u003c\/td\u003e\n\u003ctd\u003e18K Pink Easy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"18K Pink Hard","offer_id":47561549512918,"sku":"846-13SA","price":21.4,"currency_code":"USD","in_stock":true},{"title":"18K Pink Medium","offer_id":47557337481430,"sku":"846-14SA","price":22.7,"currency_code":"USD","in_stock":true},{"title":"18K Pink Easy","offer_id":43557692899542,"sku":"846-15SA","price":24.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/pink-solder-alloys-for-making-18k-pink-solder-easy-medium-and-hard-otto-frei.jpg?v=1719958951"},{"product_id":"stainless-steel-binding-wire-24-26-28-gauge","title":"Stainless Steel Binding Wire","description":"\u003cp\u003eStainless steel binding wire offers a more durable and user-friendly alternative to standard iron binding wire for soldering and metalworking applications. Its stainless steel construction resists corrosion and holds up through repeated use, making it a reliable choice for jewelers and metalsmiths who depend on consistent performance at the bench. Available in three gauge sizes to suit a range of binding needs.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLonger lasting than standard iron binding wire\u003c\/li\u003e\n\u003cli\u003eEasier to handle and manipulate during soldering setups\u003c\/li\u003e\n\u003cli\u003eStainless steel construction resists corrosion\u003c\/li\u003e\n\u003cli\u003eAvailable in three wire diameters: 24, 26, and 28 gauge\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Gauges\u003c\/th\u003e\n\u003ctd\u003e24, 26, 28 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.650\u003c\/td\u003e\n\u003ctd\u003e28 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.651\u003c\/td\u003e\n\u003ctd\u003e26 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.652\u003c\/td\u003e\n\u003ctd\u003e24 Gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"28 Gauge","offer_id":47551351390422,"sku":"143.650","price":13.5,"currency_code":"USD","in_stock":true},{"title":"26 Gauge","offer_id":47551351357654,"sku":"143.651","price":13.5,"currency_code":"USD","in_stock":true},{"title":"24 Gauge","offer_id":47551351324886,"sku":"143.652","price":13.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stainless-steel-binding-wire-otto-frei.jpg?v=1719958688"},{"product_id":"fretz-bf-1-wavy-brass-bracelet-blank-19-gauge","title":"Fretz BF-1 Wavy Brass Form","description":"\u003cp\u003eThe \u003cstrong\u003eFretz BF-1 Wavy Brass Form\u003c\/strong\u003e is a pre-cut bracelet blank designed by master metalsmith Bill Fretz. This distinctive wavy profile is the exact shape Fretz uses in a series of jewelry projects first featured in the \u003cem\u003eJanuary\/February 2014 edition of Lapidary Journal\/Jewelry Artist Magazine\u003c\/em\u003e. The blank arrives ready to work — already cut, edge sanded, and tumbled — so you can move directly into forming, texturing, and finishing without prep work.\u003c\/p\u003e\u003cp\u003eThe BF-1 is the first in a line of creative brass blanks from Fretz, designed to open up a wide range of bracelet design possibilities. Its wavy form can be shaped into both concave and convex profiles, and the length can be cut shorter to accommodate smaller wrist sizes. At 19 gauge, the BF-1 reflects the recommendation of noted instructor Hans Christiansen, who identified this thickness as ideal for hollow-ware work — heavy enough for structural integrity, light enough to form with ease.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePre-cut wavy bracelet blank designed by Bill Fretz\u003c\/li\u003e\n\u003cli\u003eCut, edge sanded, and tumbled — ready to form immediately\u003c\/li\u003e\n\u003cli\u003eWavy profile suitable for both concave and convex bracelet shapes\u003c\/li\u003e\n\u003cli\u003eLength can be trimmed shorter for smaller bracelet sizes\u003c\/li\u003e\n\u003cli\u003e19 gauge thickness — recommended as the ideal gauge for hollow-ware forming\u003c\/li\u003e\n\u003cli\u003eNon-annealed brass construction\u003c\/li\u003e\n\u003cli\u003eAs featured in \u003cem\u003eLapidary Journal\/Jewelry Artist Magazine\u003c\/em\u003e, January\/February 2014\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e8-1\/2\" (215mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth (widest point)\u003c\/th\u003e\n\u003ctd\u003e1-1\/4\" (32mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e19 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eNon-annealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eCut, edge sanded, and tumbled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis product is subject to California Proposition 65 warnings regarding lead.\u003c\/li\u003e\n\u003cli\u003eBlank is non-annealed; anneal before forming if your technique requires it.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fretz","offers":[{"title":"Default Title","offer_id":43579647394006,"sku":"143.341","price":9.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/fretz-bf-1-wavy-brass-form-otto-frei.jpg?v=1719958520"},{"product_id":"copper-10-petal-flower-stamping-24-gauge-1in-pack-6","title":"Copper Shapes 24 Gauge 10 Petal Flower With Ring 1'' Pack of","description":"\u003cp\u003eThese pre-cut copper stamping shapes are an ideal foundation for jewelry making, mixed-media art, and metalsmithing projects. Each piece features a 10-petal flower silhouette with an integrated ring, making them ready for immediate use as pendants, charms, or embellishment components. Sold in a pack of 6, these stampings are cut from 24 gauge copper sheet at 0.020\" (0.50 mm) thick — a versatile weight that is easy to texture, stamp, form, and patinate.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10-petal flower silhouette with an attached ring for direct stringing or linking\u003c\/li\u003e\n\u003cli\u003ePre-cut and ready to use — no sawing or blanking required\u003c\/li\u003e\n\u003cli\u003e24 gauge copper at 0.020\" \/ 0.50 mm — workable for stamping, dapping, and texturing\u003c\/li\u003e\n\u003cli\u003eCopper surface accepts patinas, liver of sulfur, and surface treatments readily\u003c\/li\u003e\n\u003cli\u003eConsistent shape across all 6 pieces in each pack\u003c\/li\u003e\n\u003cli\u003e1\" overall size provides a substantial, visible floral element in finished designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003e10-Petal Flower with Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 copper 10-petal flower stampings with integrated ring, 24 gauge, 1\"\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43579661877462,"sku":"143.3573","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-10-petal-flower-with-ring-1-pack-of-otto-frei.jpg?v=1719958515"},{"product_id":"laser-welder-wire-stainless-steel-25mm-30-gauge","title":"Laser Welder Wire Stainless Steel .25mm-30 Gauge","description":"\u003cp\u003eStainless steel laser welder wire in .25mm (0.010\") diameter, 30 gauge, supplied on a convenient 1\/4 lb spool. Designed for use with laser welders, this fine wire delivers consistent feed and reliable fusion on a wide range of repair and fabrication tasks. Its 304 stainless steel composition also makes it a practical choice for binding wire applications in the bench shop.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFine .25mm (0.010\") diameter for precise laser welding applications\u003c\/li\u003e\n\u003cli\u003e304 Stainless steel construction provides strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSuitable for use as binding wire in addition to laser welding\u003c\/li\u003e\n\u003cli\u003eSupplied on a 1\/4 lb spool for easy handling and storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; height: 98px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 34.095%; height: 19.6px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"width: 63.5439%; height: 19.6px;\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 34.095%; height: 19.6px;\"\u003eDiameter\u003c\/th\u003e\n\u003ctd style=\"width: 63.5439%; height: 19.6px;\"\u003e.25mm (0.010\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 34.095%; height: 19.6px;\"\u003eGauge\u003c\/th\u003e\n\u003ctd style=\"width: 63.5439%; height: 19.6px;\"\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 34.095%; height: 19.6px;\"\u003eSpool Weight\u003c\/th\u003e\n\u003ctd style=\"width: 63.5439%; height: 19.6px;\"\u003e1\/4 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 34.095%; height: 19.6px;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"width: 63.5439%; height: 19.6px;\"\u003eLaser welding, binding wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581544497366,"sku":"143.649","price":14.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/laser-welder-wire-stainless-steel-25mm-30-gauge-otto-frei.jpg?v=1719957538"},{"product_id":"brass-round-wire-half-hard-assortment-6in","title":"Brass Round Wire 1\/2 Hard Assortment- 6\" Lengths","description":"\u003cp\u003eThis assortment provides a practical selection of 1\/2 hard brass round wire in convenient 6\" lengths, ideal for jewelers and metalsmiths who need a variety of diameters on hand without committing to a full spool. Each package contains approximately 20–23 individual pieces of 6\" brass wire, ranging in diameter from 0.8 mm to 2.10 mm. The 1\/2 hard temper makes this wire firmer and more resilient than soft wire, giving it better structural integrity for applications that require the wire to hold its shape.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAssortment of 1\/2 hard brass round wire in 6\" lengths\u003c\/li\u003e\n\u003cli\u003eApproximately 20–23 pieces per package\u003c\/li\u003e\n\u003cli\u003eDiameter range from 0.8 mm to 2.10 mm across multiple sizes\u003c\/li\u003e\n\u003cli\u003eHarder temper than standard wire for improved structural performance\u003c\/li\u003e\n\u003cli\u003eConvenient short lengths suited for sampling, prototyping, or small-scale work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemper\u003c\/th\u003e\n\u003ctd\u003e1\/2 Hard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Profile\u003c\/th\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength per Piece\u003c\/th\u003e\n\u003ctd\u003e6\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter Range\u003c\/th\u003e\n\u003ctd\u003e0.8 mm – 2.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePieces per Package\u003c\/th\u003e\n\u003ctd\u003eApproximately 20–23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis product is subject to California Proposition 65 warnings regarding lead exposure.\u003c\/li\u003e\n\u003cli\u003ePiece count and exact diameter assortment may vary slightly per package.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581545775318,"sku":"143.500","price":24.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/brass-round-wire-12-hard-assortment-6-lengths-otto-frei.jpg?v=1719957538"},{"product_id":"brass-rivet-wire-assortment-6-inch","title":"Brass Round Rivet Wire Assortment-6\" Lengths","description":"\u003cp\u003eThis package of brass rivet wire in 6\" lengths is an essential addition to any jeweler's or metalsmith's bench. Each assortment contains approximately 25–27 pieces of 6\" brass wire in a range of diameters spanning from 0.8 mm to 2.3 mm, giving you a practical variety for multiple rivet sizes in a single purchase.\u003c\/p\u003e\n\u003cp\u003eThis brass wire is softer than a standard 1\/2 hard brass wire assortment, making it noticeably easier to work with during riveting. The softer temper allows the wire to head cleanly and set firmly without cracking or splitting—an important quality when precision and finish matter.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAssortment of approximately 25–27 pieces per package\u003c\/li\u003e\n\u003cli\u003eEach piece is 6\" in length\u003c\/li\u003e\n\u003cli\u003eDiameter range: 0.8 mm – 2.3 mm, providing multiple size options in one package\u003c\/li\u003e\n\u003cli\u003eSofter temper than 1\/2 hard brass wire for easier riveting\u003c\/li\u003e\n\u003cli\u003eVariety of diameters suits a range of rivet applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Length\u003c\/th\u003e\n\u003ctd\u003e6\" per piece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter Range\u003c\/th\u003e\n\u003ctd\u003e0.8 mm – 2.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePieces per Package\u003c\/th\u003e\n\u003ctd\u003eApproximately 25–27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemper\u003c\/th\u003e\n\u003ctd\u003eSoft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis product is subject to California Proposition 65 warnings regarding lead exposure. Handle with appropriate precautions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581546365142,"sku":"143.501","price":6.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/brass-round-rivet-wire-assortment-6-lengths-otto-frei.jpg?v=1719957538"},{"product_id":"nickel-silver-round-wire-assortment-6-lengths","title":"Nickel Silver Round Wire Assortment-6' Lengths","description":"\u003cp\u003eThis nickel silver round wire assortment offers a practical selection of gauges in convenient 6-inch lengths, covering drill sizes 20 through 70. Nickel silver is a versatile copper-based alloy valued for its bright, silver-like appearance, good workability, and resistance to tarnish—making it a popular choice for wire work, rivets, findings, inlay, and general metalsmithing applications.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAssortment spans drill sizes 20–70 for broad gauge coverage\u003c\/li\u003e\n\u003cli\u003eEach piece cut to a 6-inch length for easy handling and use\u003c\/li\u003e\n\u003cli\u003eNickel silver alloy offers a bright, silver-toned finish without precious metal cost\u003c\/li\u003e\n\u003cli\u003eSuitable for wire work, rivets, findings, and decorative metalwork\u003c\/li\u003e\n\u003cli\u003eRound wire profile for versatile forming and fabrication\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eNickel Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Profile\u003c\/th\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength per Piece\u003c\/th\u003e\n\u003ctd\u003e6 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge Range\u003c\/th\u003e\n\u003ctd\u003eDrill sizes 20–70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product contains nickel, a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581546692822,"sku":"143.568","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/nickel-silver-round-wire-assortment-6-lengths-otto-frei.jpg?v=1719957538"},{"product_id":"steel-round-wire-assortment-4in","title":"Steel Round Wire Assortment-4\" Lengths","description":"\u003cp\u003eThis steel round wire assortment provides a practical selection of round wire lengths suited for use in jewelry making, metalsmithing, and precision craft applications. Each piece is cut to 4-inch lengths and spans drill sizes 20 through 70, making this assortment a versatile bench reference and working supply for tasks that require precise wire gauging, pin fitting, or hole verification.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAssortment spans drill sizes 20–70 for broad coverage\u003c\/li\u003e\n\u003cli\u003eEach wire cut to a consistent 4-inch length\u003c\/li\u003e\n\u003cli\u003eRound wire profile for accurate gauge and fit testing\u003c\/li\u003e\n\u003cli\u003eUseful for pin making, hole sizing, and general metalsmithing tasks\u003c\/li\u003e\n\u003cli\u003eConvenient assortment format keeps multiple sizes organized at the bench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Profile\u003c\/th\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength per Piece\u003c\/th\u003e\n\u003ctd\u003e4 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrill Size Range\u003c\/th\u003e\n\u003ctd\u003e20–70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581547577558,"sku":"143.700","price":24.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/steel-round-wire-assortment-4-lengths-otto-frei.jpg?v=1719957538"},{"product_id":"white-9-18k-investment-casting-master-alloy-nickel-based-per-troy-ounce","title":"White 9-18 Investment Casting Master Alloy-Per Troy Ounce (20DWT)","description":"\u003cp\u003eThis nickel-based white master alloy — previously called \u003cem\u003eWhite Century\u003c\/em\u003e — is formulated for investment casting and fabrication of 9K–18K white gold. Specially engineered for peak performance in enclosed or automated casting equipment, it contains copper, nickel, and zinc, plus a small amount of silicon as a deoxidizer. Additional proprietary metals are present in the formulation that are not listed in the published composition. Sold by the troy ounce (20 pennyweight \/ 31.1 grams).\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNickel-based alloy suitable for 9K–18K white gold casting and fabrication\u003c\/li\u003e\n\u003cli\u003eProduces a white finished color\u003c\/li\u003e\n\u003cli\u003eOptimized for enclosed and automated casting equipment\u003c\/li\u003e\n\u003cli\u003eContains silicon as a deoxidizer for cleaner melts\u003c\/li\u003e\n\u003cli\u003ePreviously marketed as White Century alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAlloy Base\u003c\/th\u003e\n\u003ctd\u003eNickel-based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Copper (Cu)\u003c\/th\u003e\n\u003ctd\u003e57.7%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Zinc (Zn)\u003c\/th\u003e\n\u003ctd\u003e18.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Nickel (Ni)\u003c\/th\u003e\n\u003ctd\u003e24.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional Components\u003c\/th\u003e\n\u003ctd\u003eSilicon (deoxidizer); proprietary metals not disclosed in composition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKarat Range\u003c\/th\u003e\n\u003ctd\u003e9K – 18K white gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 DWT \/ 31.1 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e846-100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eUsage Instructions\u003c\/h3\u003e\n\u003cp\u003ePre-alloy all alloy and fine gold together with aggressive stirring and fluxing to ensure a uniform mixture before casting.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 1 – Pre-Alloying Temperature (fine gold + alloy):\u003c\/strong\u003e 1050°C – 1060°C \/ 1922°F – 1940°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 2 – Casting Temperature for 9K–10K alloyed grain:\u003c\/strong\u003e 1030°C – 1040°C \/ 1886°F – 1904°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep 3 – Casting Temperature for 14K–18K alloyed grain:\u003c\/strong\u003e 1000°C – 1020°C \/ 1832°F – 1868°F\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eFlask Temperature:\u003c\/strong\u003e 580°C – 700°C \/ 1076°F – 1292°F, depending on flask size, karat, and jewelry type.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFluxing:\u003c\/strong\u003e Fluxing white gold is critical for collecting oxides. Boric acid is the recommended flux. Do not use carbon fluxes or refining fluxes such as soda ash or saltpeter. Avoid flux in bottom-pour automatic casting units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuench Time:\u003c\/strong\u003e 10–15 minutes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInvestment Removal:\u003c\/strong\u003e Most standard investment removers will successfully remove investment powder. Aggressive acids cause stress corrosion and surface damage and are not recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eScrap Reuse:\u003c\/strong\u003e A 70% fresh–30% scrap mix is recommended. White gold alloy has approximately one-third the reusability of yellow gold alloys.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMelt temperature may vary depending on casting unit type.\u003c\/li\u003e\n\u003cli\u003eProprietary metals are present in the formulation and are not included in the published composition percentages.\u003c\/li\u003e\n\u003cli\u003eThis product contains nickel. See California Proposition 65 warnings as applicable.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581633790166,"sku":"846-100","price":7.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/white-9-18-investment-casting-master-alloy-per-troy-ounce-20dwt-otto-frei.jpg?v=1719957479"},{"product_id":"ultra-white-10-18k-nickel-based-fabrication-casting-master-alloy-per-troy-ounce","title":"Ultra White For Making 10-18 White Multi-Purpose Alloy-Per Troy Ounce (20 DWT)","description":"\u003cp\u003eThis ultra white fabrication alloy is nickel-based and contains no gold and no silver. Designed as a multi-purpose master alloy for both casting and fabrication applications, it is suitable for making white gold alloys from 10K through 18K. Sold by the troy ounce (20 DWT).\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: There are proprietary metals in the formulation that are not included in the composition listing below.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNickel-based multi-purpose alloy for casting and fabrication\u003c\/li\u003e\n\u003cli\u003eCompatible with white gold alloys from 10K to 18K\u003c\/li\u003e\n\u003cli\u003eContains no gold and no silver\u003c\/li\u003e\n\u003cli\u003ePre-alloying with aggressive stirring and fluxing recommended for a uniform mixture\u003c\/li\u003e\n\u003cli\u003eBoric acid is the recommended flux — do not use carbon fluxes or refining fluxes such as soda ash or saltpeter\u003c\/li\u003e\n\u003cli\u003eAvoid flux in bottom-pour automatic casting units\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Copper (Cu)\u003c\/th\u003e\n\u003ctd\u003e63%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Zinc (Zn)\u003c\/th\u003e\n\u003ctd\u003e17%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Nickel (Ni)\u003c\/th\u003e\n\u003ctd\u003e19.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Silver (Ag)\u003c\/th\u003e\n\u003ctd\u003e0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContains Gold\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase Metal\u003c\/th\u003e\n\u003ctd\u003eNickel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKarat Range\u003c\/th\u003e\n\u003ctd\u003e10K – 18K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eCasting and fabrication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 DWT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eUsage Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Alloying (Fine gold + alloy):\u003c\/strong\u003e Heat to 1090°C – 1100°C \/ 1994°F – 2030°F with aggressive stirring and fluxing to ensure a uniform mixture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCasting Temperature for 10K Alloyed Grain:\u003c\/strong\u003e 1085°C – 1105°C \/ 1985°F – 2021°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCasting Temperature for 14K Alloyed Grain:\u003c\/strong\u003e 1025°C – 1045°C \/ 1877°F – 1913°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCasting Temperature for 18K Alloyed Grain:\u003c\/strong\u003e 995°C – 1015°C \/ 1832°F – 1859°F\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelt temperature may vary\u003c\/strong\u003e depending on the type of casting unit used.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlask Temperature:\u003c\/strong\u003e Recommended range is 540°C – 675°C \/ 1004°F – 1247°F, depending on flask size, karat, and jewelry type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuench Time:\u003c\/strong\u003e 25 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInvestment Removal:\u003c\/strong\u003e Most standard investment removers will successfully remove investment powder. Aggressive acids are not recommended, as they cause stress corrosion and surface damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrap Reuse:\u003c\/strong\u003e A 70% fresh – 30% scrap mix is recommended. White gold alloy has approximately one-third the reusability of yellow gold alloys.\u003c\/li\u003e\n\u003cli\u003eThis product contains nickel. See applicable Proposition 65 warnings.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581634052310,"sku":"846-103","price":8.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ultra-white-for-making-10-18-white-multi-purpose-alloy-per-troy-ounce-20-dwt-otto-frei.jpg?v=1719957479"},{"product_id":"dark-yellow-casting-master-alloy-9k-14k","title":"Dark Yellow 9-14 Investment Casting Master Alloy For Stone In Place Casting-Per Troy Ounce (20 DWT)","description":"\u003cp\u003eThis \u003cstrong\u003eDark Yellow Investment Casting Master Alloy\u003c\/strong\u003e is formulated for alloying with pure gold to produce 9K to 14K casting alloy, with specific performance characteristics suited for \u003cstrong\u003estone-in-place casting\u003c\/strong\u003e. Sold per troy ounce (20 pennyweights \/ 31.1 grams), this master alloy contains no gold — it is designed to be combined with fine gold to achieve the desired karat and color.\u003c\/p\u003e\u003cp\u003eThe dark yellow color profile makes it well suited for warm-toned gold alloys in the 9K to 14K range. Note that the formulation may include proprietary metals, silicon, and deoxidizers beyond the listed composition.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngineered for \u003cstrong\u003estone-in-place investment casting\u003c\/strong\u003e applications\u003c\/li\u003e\n\u003cli\u003eProduces \u003cstrong\u003edark yellow\u003c\/strong\u003e gold alloys when combined with pure gold\u003c\/li\u003e\n\u003cli\u003eCompatible with gold alloy targets from \u003cstrong\u003e9K to 14K\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContains no gold\u003c\/strong\u003e — sold as a master alloy for blending with fine gold\u003c\/li\u003e\n\u003cli\u003eMay contain proprietary metals, silicon, and deoxidizers for optimized casting performance\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce (20 DWT \/ 31.1 grams)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eDark Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eInvestment casting master alloy; stone-in-place casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGold Content\u003c\/th\u003e\n\u003ctd\u003eNone — alloy base only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Karat Range\u003c\/th\u003e\n\u003ctd\u003e9K–14K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition (listed)\u003c\/th\u003e\n\u003ctd\u003eCopper (Cu) 73.7%, Silver (Ag) 14.8%, Zinc (Zn) 11.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional Components\u003c\/th\u003e\n\u003ctd\u003eMay contain proprietary metals, silicon, and deoxidizers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 DWT \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eComposition percentages reflect listed ingredients only. Proprietary metals and processing additives such as silicon and deoxidizers may also be present in the formulation but are not disclosed in the composition breakdown. Always verify final alloy karat and properties through testing before use in finished work.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581634183382,"sku":"846-128","price":26.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/dark-yellow-9-14-investment-casting-master-alloy-for-stone-in-place-casting-per-troy-ounce-20-dwt-otto-frei.jpg?v=1719957479"},{"product_id":"yellow-casting-master-alloy-10-14k","title":"Standard Yellow 9-14 Investment Casting Master Alloy-Per Troy Ounce (20DWT)","description":"\u003cp\u003eA reliable, professional-grade investment casting master alloy formulated to produce a darker yellow tone ideal for 10K–14K gold alloying. This alloy contains no gold and is sold per troy ounce (20 pennyweights \/ 31.1 grams), making it a cost-effective base for custom casting work. With a higher copper content and reduced silver compared to similar casting alloys, it delivers a warmer, deeper yellow color well-suited to yellow gold casting applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigher copper, lower silver ratio produces a distinctively darker yellow tone\u003c\/li\u003e\n\u003cli\u003eFormulated specifically for investment casting applications\u003c\/li\u003e\n\u003cli\u003eCompatible with 10K–14K yellow gold alloying\u003c\/li\u003e\n\u003cli\u003eContains no gold — sold as a master alloy base\u003c\/li\u003e\n\u003cli\u003eSold per troy ounce (20 DWT \/ 31.1 grams)\u003c\/li\u003e\n\u003cli\u003eProprietary formulation may also include silicon and de-oxidizing elements\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eInvestment casting master alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGold Content\u003c\/th\u003e\n\u003ctd\u003eNone — master alloy base only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCopper (Cu)\u003c\/th\u003e\n\u003ctd\u003e73.7%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilver (Ag)\u003c\/th\u003e\n\u003ctd\u003e14.8%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eZinc (Zn)\u003c\/th\u003e\n\u003ctd\u003e11.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional Elements\u003c\/th\u003e\n\u003ctd\u003eProprietary; may include silicon and de-oxidizing agents\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 pennyweights \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKarat Range\u003c\/th\u003e\n\u003ctd\u003e10K–14K yellow gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThe full composition includes proprietary metals not disclosed in the listed percentages. The alloy may also contain additional elements such as silicon and de-oxidizing agents. Composition figures reflect primary constituents only.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581634511062,"sku":"846-132","price":26.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/standard-yellow-9-14-investment-casting-master-alloy-per-troy-ounce-20dwt-otto-frei.jpg?v=1719957479"},{"product_id":"light-yellow-9-14k-investment-casting-master-alloy-per-troy-ounce","title":"Light Yellow 9-14 Investment Casting Master Alloy-Per Troy Ounce (20DWT)","description":"\u003cp\u003eA popular all-around investment casting master alloy formulated for producing 9–14k gold. This alloy contains more silver than comparable formulations, resulting in a lighter, greener yellow tone. When used for 14k gold, it yields a medium light yellow color. Sold by the troy ounce (20 pennyweights or 31.1 grams).\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVersatile master alloy suitable for 9–14k investment casting applications\u003c\/li\u003e\n\u003cli\u003eHigher silver content delivers a lighter, greener yellow compared to lower-silver alternatives\u003c\/li\u003e\n\u003cli\u003eProduces a medium light yellow color when alloyed to 14k\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce (20 DWT \/ 31.1 grams)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Copper (Cu)\u003c\/th\u003e\n\u003ctd\u003e68.7%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Silver (Ag)\u003c\/th\u003e\n\u003ctd\u003e17.3%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Zinc (Zn)\u003c\/th\u003e\n\u003ctd\u003e14%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuitable Karat Range\u003c\/th\u003e\n\u003ctd\u003e9–14k\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor Result (14k)\u003c\/th\u003e\n\u003ctd\u003eMedium light yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 DWT \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis alloy contains proprietary metals not listed in the composition section. The formulation may also include additional elements such as silicon and deoxidizers.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581634969814,"sku":"846-134","price":30.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/light-yellow-9-14-investment-casting-master-alloy-per-troy-ounce-20dwt-otto-frei.jpg?v=1719957479"},{"product_id":"ultra-white-9-18-investment-casting-master-alloy","title":"Ultra White 9-18 Investment Casting Master Alloy","description":"\u003cp\u003eThe Ultra White 9–18 Investment Casting Master Alloy is a nickel-based white gold master alloy formulated for investment casting and fabrication applications across 10K, 14K, and 18K gold. Sold by the troy ounce (20 pennyweights \/ 31.1 grams), this alloy contains no gold and is designed to be pre-alloyed with fine gold before casting. Note that proprietary metals are present in the formulation in addition to the listed composition, and the alloy may also contain silicon and deoxidizers.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with 10K, 14K, and 18K white gold casting applications\u003c\/li\u003e\n\u003cli\u003eSuitable for both investment casting and fabrication\u003c\/li\u003e\n\u003cli\u003eContains no gold — pre-alloy with fine gold prior to casting\u003c\/li\u003e\n\u003cli\u003eMay also contain silicon and deoxidizers in addition to listed composition\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce (20 pennyweights \/ 31.1 grams)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition (listed)\u003c\/th\u003e\n\u003ctd\u003eCu 57%, Zn 21%, Ni 22%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGold Content\u003c\/th\u003e\n\u003ctd\u003eContains no gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional Ingredients\u003c\/th\u003e\n\u003ctd\u003eProprietary metals; may also contain silicon and deoxidizers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 pennyweights \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Alloying:\u003c\/strong\u003e Pre-alloying all alloy and fine gold with aggressive stirring and fluxing is recommended to ensure a uniform mixture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStep 1 — Pre-Alloying Temperatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10K: 1060°C – 1080°C \/ 1940°F – 1976°F\u003c\/li\u003e\n\u003cli\u003e14K–18K: 1050°C – 1060°C \/ 1922°F – 1940°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eStep 2 — Casting Temperatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e10K Alloyed Grain: 1055°C – 1075°C \/ 1931°F – 1967°F\u003c\/li\u003e\n\u003cli\u003e14K Alloyed Grain: 1015°C – 1035°C \/ 1859°F – 1895°F\u003c\/li\u003e\n\u003cli\u003e18K Alloyed Grain: 990°C – 1010°C \/ 1814°F – 1850°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMelt temperature may vary with type of unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFlask Temperature:\u003c\/strong\u003e Normal recommended range is 540°C – 675°C \/ 1004°F – 1247°F, depending on flask size, karat, and jewelry type.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFluxing:\u003c\/strong\u003e Fluxing white gold is extremely important for collecting oxides. Boric acid is the recommended flux. Do not use carbon fluxes or refining fluxes such as soda ash or saltpeter. Avoid flux in bottom-pour automatic casting units.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuench Time:\u003c\/strong\u003e 10–12 minutes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInvestment Removal:\u003c\/strong\u003e Most standard investment removers will successfully remove investment powder. Use of aggressive acids is not recommended, as it causes stress corrosion and surface damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eScrap Mix:\u003c\/strong\u003e A 70% fresh–30% scrap mix is recommended. White gold alloy has approximately one-third the reusability of yellow gold alloys.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581635199190,"sku":"846-140","price":9.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ultra-white-9-18-investment-casting-master-alloy-otto-frei.jpg?v=1719957478"},{"product_id":"ultra-white-nickel-master-alloy-14k-18k-white-gold-fabrication-per-troy-ounce","title":"Ultra White 14-18 Fabrication Master Alloy Per Troy Ounce","description":"\u003cp\u003eUltra White is a nickel-based fabrication master alloy designed for making 14K and 18K white gold alloys. It offers high tensile strength and contains no silver or gold. Sold by the troy ounce (20 pennyweights \/ 31.1 grams), this alloy is also suitable for casting applications. Note: proprietary metals are present in the formulation that are not reflected in the published composition; the alloy may also contain silicon and deoxidizers.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNickel-based master alloy for 14K–18K white gold fabrication\u003c\/li\u003e\n\u003cli\u003eHigh tensile strength\u003c\/li\u003e\n\u003cli\u003eContains no silver and no gold\u003c\/li\u003e\n\u003cli\u003eSuitable for both fabrication and casting\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce (20 DWT \/ 31.1 g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eAlloy Base\u003c\/th\u003e\n\u003ctd\u003eNickel-based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition (Cu)\u003c\/th\u003e\n\u003ctd\u003e59.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition (Zn)\u003c\/th\u003e\n\u003ctd\u003e20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition (Ni)\u003c\/th\u003e\n\u003ctd\u003e20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdditional Constituents\u003c\/th\u003e\n\u003ctd\u003eProprietary metals; may also contain silicon and deoxidizers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Karat Range\u003c\/th\u003e\n\u003ctd\u003e14K–18K white gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInitial Melting Temperature\u003c\/th\u003e\n\u003ctd\u003e1070°C \/ 1958°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePouring Temp – 14K Ingots\u003c\/th\u003e\n\u003ctd\u003e1010°C \/ 1850°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePouring Temp – 18K Ingots\u003c\/th\u003e\n\u003ctd\u003e1015°C \/ 1860°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAnnealing Temperature\u003c\/th\u003e\n\u003ctd\u003e732°C \/ 1350°F for 20 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 DWT \/ 31.1 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMelting:\u003c\/strong\u003e Melt the alloy and fine gold together in a clean crucible — place the alloy on the bottom and fine gold on top. Use boric acid flux to keep metal clean. Stir thoroughly before pouring. A neutral or reducing cover gas is strongly recommended for white gold alloys.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePouring:\u003c\/strong\u003e Pour into a preheated vertical graphite mold or a lightly lubricated iron mold using a steady, even motion. Slow the pour at the end to minimize shrinkage at the top of the ingot. Use a round rod mold for wire; use an L-shaped 2-piece mold for plate and sheet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo Not Quench:\u003c\/strong\u003e Remove the ingot from the mold and allow it to air cool. Nickel white gold alloys will be significantly softer if allowed to air cool after pouring and after each anneal. Soak in hot pickle solution to remove surface oxides.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFabrication:\u003c\/strong\u003e Clean the ingot of all oxide and flux before rolling. Reduce the ingot by 50% before each anneal — too small a reduction can cause cracking during anneal. Clean in hot pickle after each anneal. Keep rolls, dies, and metal clean to prevent surface defects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnnealing:\u003c\/strong\u003e Anneal at 732°C \/ 1350°F for 20 minutes. Do not quench — allow to air cool. Apply a boric acid fire coat before annealing in an open-atmosphere oven to limit oxidation. Avoid over-annealing, which can cause excessive grain growth, orange-peel surface texture, or reduced strength.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRemelting:\u003c\/strong\u003e Use a 30% scrap to 70% fresh mix. Nickel white gold alloys have approximately one-third the reusability of yellow gold alloys.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAdditional Guidelines:\u003c\/strong\u003e Use very little boric acid flux. Do not use carbon-based flux (e.g., soda ash, saltpeter). No flux is required in a bottom-pour automatic casting unit. Avoid aggressive acids, which can cause corrosion and surface damage. To calculate required metal weight in grams, multiply density (g\/cc) by wax weight (g) and add 10% for the button. Gypsum-bonded investment is recommended — follow the manufacturer's burnout cycle instructions.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581635395798,"sku":"846-141","price":10.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ultra-white-14-18-fabrication-master-alloy-per-troy-ounce-otto-frei.jpg?v=1719957478"},{"product_id":"dark-pink-rose-9-18-master-alloy-troy-ounce","title":"Dark Pink-Rose 9-18 All Purpose Master Alloy-Sold By the Troy Ounce (20DWT)","description":"\u003cp\u003eThe Dark Pink-Rose 9–18 All Purpose Master Alloy is a professional-grade casting and fabrication alloy designed for jewelers working across a wide range of gold karatages from 9 to 18 karat. Sold by the troy ounce (20 pennyweight \/ 31.1 grams), this master alloy contains no gold and is formulated to deliver a warm, dark pink-rose color result when alloyed with gold. Its low silver content and high fluidity make it well suited for investment casting as well as bench fabrication work.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAll-purpose formulation suitable for both casting and fabrication applications\u003c\/li\u003e\n\u003cli\u003eCompatible with 9 to 18 karat gold alloy systems\u003c\/li\u003e\n\u003cli\u003eLow silver content promotes high fluidity for clean casting results\u003c\/li\u003e\n\u003cli\u003eContains no gold — used as a master alloy to be combined with fine gold\u003c\/li\u003e\n\u003cli\u003eDelivers a dark pink-rose color characteristic in finished alloys\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce (20 DWT \/ 31.1 grams)\u003c\/li\u003e\n\u003cli\u003eProprietary metals are included in the formulation beyond the listed composition\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eKarat Range\u003c\/th\u003e\n\u003ctd\u003e9–18 karat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor Result\u003c\/th\u003e\n\u003ctd\u003eDark Pink-Rose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eCasting and fabrication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFluidity\u003c\/th\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilver Content\u003c\/th\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGold Content\u003c\/th\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eCu 92.5%, Ag 4.5%, Zn 3% (plus proprietary metals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 DWT \/ 31.1 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThe listed composition — copper 92.5%, silver 4.5%, zinc 3% — reflects the primary ingredients. The manufacturer includes additional proprietary metals in the formulation that are not disclosed in the composition breakdown. This alloy contains no gold and must be combined with fine gold to produce a finished karat alloy.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581638377686,"sku":"846-150","price":17.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/dark-pink-rose-9-18-all-purpose-master-alloy-sold-by-the-troy-ounce-20dwt-otto-frei.jpg?v=1719957478"},{"product_id":"rich-yellow-stone-in-place-casting-master-alloy","title":"Rich Yellow 9-14 Investment Casting Stone-In-Place-Master Alloy-Per Troy Ounce (20DWT)","description":"\u003cp\u003eRich Yellow Stone-in-Place Investment Casting Master Alloy is formulated for jewelers who require a high-reusability, tarnish-resistant alloy suitable for casting directly with stones in place. Formerly known as \u003cstrong\u003ePeach Klondike Yellow\u003c\/strong\u003e, this master alloy features high silver content and is designed for producing rich yellow 9–14K casting alloys. It is sold by the troy ounce (20 pennyweights or 31.1 grams).\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFormulated for stone-in-place investment casting applications\u003c\/li\u003e\n\u003cli\u003eHigh reusability — suitable for repeated casting cycles\u003c\/li\u003e\n\u003cli\u003eTarnish-resistant composition for lasting finish quality\u003c\/li\u003e\n\u003cli\u003eHigh silver content for refined color and performance\u003c\/li\u003e\n\u003cli\u003eRich yellow color result appropriate for 9–14K alloy production\u003c\/li\u003e\n\u003cli\u003eFormerly marketed as \u003cstrong\u003ePeach Klondike Yellow\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eStone-in-place investment casting master alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget Karat Range\u003c\/th\u003e\n\u003ctd\u003e9–14K yellow gold alloys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Copper (Cu)\u003c\/th\u003e\n\u003ctd\u003e68%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Silver (Ag)\u003c\/th\u003e\n\u003ctd\u003e23%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Zinc (Zn)\u003c\/th\u003e\n\u003ctd\u003e9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 pennyweights \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis alloy contains proprietary metals in its formulation that are not fully disclosed in the composition listing above. The product may also contain other elements, including silicon. Composition percentages reflect primary constituents only.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581638705366,"sku":"846-158","price":39.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/rich-yellow-9-14-investment-casting-stone-in-place-master-alloy-per-troy-ounce-20dwt-otto-frei.jpg?v=1719957478"},{"product_id":"green-yellow-9-18-investment-casting-master-alloy-troy-ounce","title":"Green Yellow 9-18 Investment Casting Master Alloy Per Troy Ounce","description":"\u003cp\u003eThis master alloy produces a distinctive green-yellow shade of gold thanks to its very high silver content. Formulated for investment casting, it delivers excellent results in lost-wax and other casting processes while also performing well as a fabrication alloy. The alloy is highly reusable, tarnish resistant, and produces a very high luster finish. Sold by the troy ounce (20 pennyweight \/ 31.1 grams).\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduces a green-yellow gold color with high silver content\u003c\/li\u003e\n\u003cli\u003eExcellent performance as an investment casting alloy\u003c\/li\u003e\n\u003cli\u003eAlso suitable for use as a fabrication alloy\u003c\/li\u003e\n\u003cli\u003eHighly reusable — reduces material waste over time\u003c\/li\u003e\n\u003cli\u003eTarnish resistant with a very high luster\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003ctd\u003ePer troy ounce (20 pennyweight \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAlloy Type\u003c\/th\u003e\n\u003ctd\u003eMaster Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrimary Application\u003c\/th\u003e\n\u003ctd\u003eInvestment casting; fabrication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGold Color Produced\u003c\/th\u003e\n\u003ctd\u003eGreen-yellow gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Copper (Cu)\u003c\/th\u003e\n\u003ctd\u003e14.9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Silver (Ag)\u003c\/th\u003e\n\u003ctd\u003e84.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition – Zinc (Zn)\u003c\/th\u003e\n\u003ctd\u003e1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThere are proprietary metals in the formulation that are not reflected in the published composition breakdown above.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581638901974,"sku":"846-184","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/green-yellow-9-18-investment-casting-master-alloy-per-troy-ounce-otto-frei.jpg?v=1719957478"},{"product_id":"rich-yellow-18k-casting-master-alloy","title":"Rich Yellow 18-22 Investment Casting Master Alloy-Per Troy Ounce (20DWT)","description":"\u003cp\u003eRich Yellow 18–22 Investment Casting Master Alloy delivers a deep, rich yellow color in the classic European style. Featuring a smooth surface and high luster, this alloy is best suited for 18K casting applications and benefits from high silver content for refined results. This formula includes a de-oxidizer, distinguishing it from the standard 846-175ND formulation. \u003cstrong\u003eFormerly called Euro Yellow.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeep, rich yellow color with European-style character\u003c\/li\u003e\n\u003cli\u003eSmooth surface finish with high luster\u003c\/li\u003e\n\u003cli\u003eOptimized for 18K investment casting\u003c\/li\u003e\n\u003cli\u003eHigh silver content in the alloy composition\u003c\/li\u003e\n\u003cli\u003eIncludes a de-oxidizer — distinguishes it from formula 846-175ND\u003c\/li\u003e\n\u003cli\u003eMay also contain silicon and other proprietary elements not listed in the composition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBest Use\u003c\/th\u003e\n\u003ctd\u003e18K Investment Casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eDeep Rich Yellow, European Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCopper (Cu)\u003c\/th\u003e\n\u003ctd\u003e46%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilver (Ag)\u003c\/th\u003e\n\u003ctd\u003e50%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eZinc (Zn)\u003c\/th\u003e\n\u003ctd\u003e4%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDe-oxidizer Included\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 pennyweights \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProprietary metals are present in this formulation that are not reflected in the listed composition percentages.\u003c\/strong\u003e The alloy may also contain silicon and other elements. The composition section above represents primary constituents only.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581639131350,"sku":"846-175","price":72.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/rich-yellow-18-22-investment-casting-master-alloy-per-troy-ounce-20dwt-otto-frei.jpg?v=1719957474"},{"product_id":"copper-casting-grain-999-pure-troy-ounce","title":"Copper Casting Grain","description":"\u003cp\u003eThis hard-to-find .999 pure copper casting grain is used for alloying with gold and silver. High-purity copper ensures consistent, repeatable results when preparing custom alloys for jewelry casting. Sold by the troy ounce (20 pennyweights \/ 31.1 grams).\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e.999 pure copper casting grain\u003c\/li\u003e\n\u003cli\u003eIdeal for alloying with gold and silver\u003c\/li\u003e\n\u003cli\u003eHigh purity supports consistent, repeatable alloying results\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce (20 dwt \/ 31.1 g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCreating custom karat gold alloys\u003c\/li\u003e\n\u003cli\u003eAdjusting silver alloys\u003c\/li\u003e\n\u003cli\u003eGeneral jewelry casting work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePurity\u003c\/th\u003e\n\u003ctd\u003e.999 pure copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eCasting grain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 dwt \/ 31.1 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581639590102,"sku":"846-90","price":4.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-casting-grain-otto-frei.jpg?v=1719957474"},{"product_id":"brass-casting-grain-troy-ounce","title":"Brass Casting Grain-Sold by the Troy Ounce","description":"\u003cp\u003eAn ideal choice for sample lines and production casting, this brass casting grain is a clean two-component alloy of copper and zinc — nothing else. Sourced from an East Coast manufacturer of precious metal products, this grain is produced with a strong commitment to purity and compliance with regulations governing lead, mercury, and nickel content. Sold by the troy ounce (20 pennyweights or 31.1 grams).\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePure copper and zinc alloy — no additional metals or additives\u003c\/li\u003e\n\u003cli\u003eSourced from an East Coast precious metal manufacturer committed to alloy purity\u003c\/li\u003e\n\u003cli\u003eFormulated to comply with regulations on lead, mercury, and nickel content\u003c\/li\u003e\n\u003cli\u003eWell-suited for sample lines and jewelry casting applications\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce for precise, flexible purchasing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eCopper and zinc alloy (brass)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eCasting grain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMelting Temperature\u003c\/th\u003e\n\u003ctd\u003e1922°F (1005°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 pennyweights \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompliance\u003c\/th\u003e\n\u003ctd\u003eLead-free, mercury-free, nickel-compliant formulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581640081622,"sku":"846-91","price":5.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/brass-casting-grain-sold-by-the-troy-ounce-otto-frei.jpg?v=1719957474"},{"product_id":"rich-yellow-18-22k-master-alloy-fabricating-casting","title":"Rich Yellow 18-22 Investment Casting \u0026 Fabricating Master Alloy-Suitable for Granulation-Per Troy Ounce (20DWT)","description":"\u003cp\u003eThis rich, deep yellow master alloy is specially formulated for jewelers working in 18K–22K gold fabrication and investment casting. Designed with granulation techniques in mind, it contains no de-oxidizer, making it particularly well-suited for traditional granulation work. The alloy produces a smooth surface with high luster and performs exceptionally in sheet, wire, and tube making. While optimized for fabrication, it is also suitable for investment casting. Sold per troy ounce (20 pennyweights \/ 31.1 grams). \u003cem\u003eContains no gold.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSpecially formulated for granulation — contains no de-oxidizer\u003c\/li\u003e\n\u003cli\u003eDeep, rich yellow color with smooth surface and high luster\u003c\/li\u003e\n\u003cli\u003eExcellent for sheet, wire, and tube fabrication\u003c\/li\u003e\n\u003cli\u003eSuitable for investment casting as well as fabrication\u003c\/li\u003e\n\u003cli\u003eBest performance as an 18K alloy\u003c\/li\u003e\n\u003cli\u003eContains no gold\u003c\/li\u003e\n\u003cli\u003eNote: Proprietary metals are present in the formulation and are not fully disclosed in the composition listing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Karat Range\u003c\/th\u003e\n\u003ctd\u003e18K–22K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrimary Application\u003c\/th\u003e\n\u003ctd\u003eFabrication (sheet, wire, tube); investment casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGranulation Suitable\u003c\/th\u003e\n\u003ctd\u003eYes — no de-oxidizer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContains Gold\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCopper (Cu)\u003c\/th\u003e\n\u003ctd\u003e46.25%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilver (Ag)\u003c\/th\u003e\n\u003ctd\u003e50%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eZinc (Zn)\u003c\/th\u003e\n\u003ctd\u003e3.75%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 DWT \/ 31.1 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThis alloy contains proprietary metals in addition to the listed composition. The disclosed percentages (Cu 46.25%, Ag 50%, Zn 3.75%) do not represent the complete formulation. Sold by the troy ounce, equal to 20 pennyweights or 31.1 grams.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581640245462,"sku":"846-175ND","price":91.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/rich-yellow-18-22-investment-casting-and-fabricating-master-alloy-suitable-for-granulation-per-troy-ounce-20dwt-otto-frei.jpg?v=1719957474"},{"product_id":"manganese-bronze-casting-alloy","title":"Manganese Bronze Casting Alloy by the Pound","description":"\u003cp\u003eJewelers Manganese Bronze is a casting alloy developed to provide jewelry casters with a base metal suitable for both centrifugal and vacuum casting applications. When properly finished, this alloy produces a bright lemon yellow color, making it an attractive option for base metal jewelry production. It is a proprietary formulation composed of approximately 60% copper (Cu) and approximately 35% zinc (Zn), with small amounts of additional metals.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for both centrifugal and vacuum casting methods\u003c\/li\u003e\n\u003cli\u003eProduces a bright lemon yellow color when properly finished\u003c\/li\u003e\n\u003cli\u003eProprietary alloy formulation designed specifically for jewelry casting\u003c\/li\u003e\n\u003cli\u003ePouring range of 1700°F–2100°F\u003c\/li\u003e\n\u003cli\u003eBase metal alternative for jewelry casters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eApproximately 60% copper (Cu), approximately 35% zinc (Zn), plus small amounts of other metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAlloy Type\u003c\/th\u003e\n\u003ctd\u003eManganese Bronze (proprietary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePouring Range\u003c\/th\u003e\n\u003ctd\u003e1700°F–2100°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish Color\u003c\/th\u003e\n\u003ctd\u003eBright lemon yellow (when properly finished)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Casting Methods\u003c\/th\u003e\n\u003ctd\u003eCentrifugal, vacuum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003ePound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581652336854,"sku":"143.301","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/manganese-bronze-casting-alloy-by-the-pound-otto-frei.jpg?v=1719957470"},{"product_id":"re-cast-it-gold-casting-additive-2oz","title":"2 Ounce Pack-Re-Cast-It Gold Alloy Refresher-Replenisher","description":"\u003cp\u003e\u003cstrong\u003eRe-Cast-It\u003c\/strong\u003e is an alloy additive designed for recasting old or scrap yellow gold. It does not contain gold and is not a substitute for gold, but when mixed with scrap yellow gold and some fresh fine gold, it helps restore castings to a bright, clean finish. Each pack contains \u003cstrong\u003e2 troy ounces (40 DWT)\u003c\/strong\u003e of Re-Cast-It alloy refresher and replenisher.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCleans old gold castings, restoring a bright yellow \"new gold\" appearance\u003c\/li\u003e\n\u003cli\u003eHelps eliminate porosity in castings\u003c\/li\u003e\n\u003cli\u003eImproves metal fluidity during casting\u003c\/li\u003e\n\u003cli\u003eReduces reddish surface discoloration common in recast gold\u003c\/li\u003e\n\u003cli\u003eDe-oxidizes used gold during the casting process\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e2 troy ounces (40 DWT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGold Content\u003c\/th\u003e\n\u003ctd\u003eContains no gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Use\u003c\/th\u003e\n\u003ctd\u003eAlloy additive for recasting scrap yellow gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMixing Ratios\u003c\/h3\u003e\n\u003cp\u003eThe following ratios apply per 100 DWT of scrap gold:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eScrap Karat\u003c\/th\u003e\n\u003cth\u003eRe-Cast-It\u003c\/th\u003e\n\u003cth\u003eFine Gold to Add\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10K\u003c\/td\u003e\n\u003ctd\u003e5 DWT\u003c\/td\u003e\n\u003ctd\u003e3.57 DWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14K\u003c\/td\u003e\n\u003ctd\u003e2 DWT\u003c\/td\u003e\n\u003ctd\u003e2.82 DWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e18K\u003c\/td\u003e\n\u003ctd\u003e1 DWT\u003c\/td\u003e\n\u003ctd\u003e3.00 DWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor \u003cstrong\u003ewhite gold\u003c\/strong\u003e, these ratios may be used, but effectiveness is limited to 1–2 cycles due to yellowing. When continuously reusing scrap combined with fresh metal, use half the above amounts to avoid excessive deoxidizer buildup.\u003c\/p\u003e\n\n\u003ch3\u003eMelting Instructions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePlace Re-Cast-It at the bottom of the crucible, then place scrap on top.\u003c\/li\u003e\n\u003cli\u003eOnce molten, stir with a \u003cstrong\u003ecarbon rod\u003c\/strong\u003e for gas-fired or torch melts, or a \u003cstrong\u003equartz rod\u003c\/strong\u003e for electric induction melts.\u003c\/li\u003e\n\u003cli\u003eFluxing with boric acid may be required depending on the condition of the scrap.\u003c\/li\u003e\n\u003cli\u003eBest results are achieved when scrap is free of oxides and investment powder residue.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eIf gold is contaminated with cuprous oxide (red oxide), only limited positive results can be expected. Re-Cast-It is not a substitute for gold and will not alter the karat of the alloy on its own.\u003c\/em\u003e\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581682254038,"sku":"122.607","price":26.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/2-ounce-pack-re-cast-it-gold-alloy-refresher-replenisher-otto-frei.jpg?v=1719957457"},{"product_id":"copper-circle-stampings-24-gauge-ring-6-pack","title":"Copper Shapes 24 Gauge Circle With Ring 3\/4\" Diameter Pack o","description":"\u003cp\u003eThese ready-to-use copper stamping shapes are ideal for jewelry making, metalsmithing, enameling, and mixed-media projects. Each circle features an integrated ring, making it easy to incorporate into pendants, charms, earrings, and chain work without additional drilling or fabrication. Sold in a pack of six, these 24 gauge copper discs offer a consistent, clean starting point for surface decoration, stamping, texturing, or patina work.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePre-cut copper circle stampings with an attached ring for immediate use\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness offers a balance of flexibility and structural integrity\u003c\/li\u003e\n\u003cli\u003eReady for stamping, texturing, enameling, or surface treatment\u003c\/li\u003e\n\u003cli\u003eIntegrated ring eliminates the need for drilling or adding a bail\u003c\/li\u003e\n\u003cli\u003eConsistent sizing and gauge across each pack for uniform results\u003c\/li\u003e\n\u003cli\u003eSold in a convenient pack of six\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003ctd\u003eCircle with ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e6 copper circle stampings with integrated ring, 3\/4\" diameter, 24 gauge\u003c\/li\u003e\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581762240726,"sku":"143.3544","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-circle-with-ring-34-diameter-pack-o-otto-frei.jpg?v=1719957411"},{"product_id":"copper-framed-circle-ring-stamping-18mm-24g","title":"Copper Shapes 24 Gauge Framed Circle With Ring 18mm Diameter","description":"\u003cp\u003eA professional-grade copper stamping shape, this framed circle with ring measures 18mm in diameter and is cut from 24 gauge copper sheet stock at 0.020\" (0.50mm) thickness. Each pack contains six identical stampings, ready for enameling, texturing, forming, wire wrapping, or mixed-media metalwork. The open frame design with an integrated ring provides a finished look straight from the pack, saving fabrication time and delivering consistent results across production runs.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFramed circle silhouette with integrated ring detail\u003c\/li\u003e\n\u003cli\u003eCut from 24 gauge copper at 0.020\" \/ 0.50mm thickness\u003c\/li\u003e\n\u003cli\u003e18mm diameter for a versatile, wearable scale\u003c\/li\u003e\n\u003cli\u003eConsistent shape and gauge across all six pieces in the pack\u003c\/li\u003e\n\u003cli\u003eSuitable for enameling, stamping, texturing, resin work, and forming\u003c\/li\u003e\n\u003cli\u003eReady to use — no additional cutting or shaping required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020\" \/ 0.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eFramed circle with ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e6 × 24 gauge copper framed circle with ring stampings, 18mm diameter\u003c\/li\u003e\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581763256534,"sku":"143.3545","price":4.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-framed-circle-with-ring-18mm-diameter-otto-frei.jpg?v=1719957411"},{"product_id":"copper-square-stamping-shapes-ring-20mm-24g-6pk","title":"Copper Shapes 24 Gauge Square With Ring 20mm Pack of 6","description":"\u003cp\u003eThese copper stamping shapes are a practical choice for jewelers, metalsmiths, and crafters working with base metal components. Each piece is a 20mm square with an integrated ring, pre-formed and ready for use in pendants, charms, earrings, and mixed-media designs. Sold in a pack of six, these shapes offer a consistent starting point for enameling, stamping, patination, or surface embellishment work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSquare shape with attached ring — ready for immediate use in pendant and charm applications\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness provides a sturdy yet workable base for stamping and surface work\u003c\/li\u003e\n\u003cli\u003eCopper material accepts patinas, enamels, and surface treatments readily\u003c\/li\u003e\n\u003cli\u003eConsistent dimensions across each pack for uniform project results\u003c\/li\u003e\n\u003cli\u003eSold in a convenient pack of six\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020\" \/ 0.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eSquare with ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 copper square stamping shapes with ring, 20mm, 24 gauge\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581764436182,"sku":"143.3547","price":5.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-square-with-ring-20mm-pack-of-6-otto-frei.jpg?v=1719957409"},{"product_id":"copper-rectangle-blanks-24-gauge-pack-6","title":"Copper Shapes 24 Gauge Rectangle 3\/4\" x 1\" Pack of 6","description":"\u003cp\u003eThese ready-to-use copper stamping shapes are an ideal starting point for jewelry making, metalsmithing, enameling, and mixed-media work. Each piece is cut to a consistent 3\/4\" x 1\" rectangle from 24 gauge copper sheet, offering a clean, uniform blank that requires no additional cutting or shaping before use. The pack of 6 provides enough material for small production runs, samplings, or class settings.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre-cut copper rectangle blanks ready for stamping, texturing, forming, or enameling\u003c\/li\u003e\n\u003cli\u003eUniform 24 gauge thickness ensures consistent results across all six pieces\u003c\/li\u003e\n\u003cli\u003eClean edges and flat profile suitable for immediate use or further fabrication\u003c\/li\u003e\n\u003cli\u003eConvenient pack of 6 for small-batch projects or classroom use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e3\/4\" x 1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 copper rectangle stamping blanks, 3\/4\" x 1\", 24 gauge\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581765255382,"sku":"143.3548","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-rectangle-34-x-1-pack-of-6-otto-frei.jpg?v=1719957409"},{"product_id":"copper-rectangle-stamping-ring-24-gauge-6-pack","title":"Copper Shapes 24 Gauge Rectangle With Ring 1\" x 7\/16\" Pack o","description":"\u003cp\u003eA practical six-pack of ready-to-use copper stamping shapes, each measuring 1\" x 7\/16\" with an integrated ring for easy attachment or dangles. Cut from 24 gauge copper sheet at .020\" (0.50 mm) thick, these rectangles offer a consistent, workable gauge ideal for enameling, stamping, texturing, patination, and mixed-media jewelry work. The attached ring eliminates the need to drill or punch a hole, saving prep time and keeping the piece structurally sound.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRectangle shape with integrated ring, ready to use without additional drilling\u003c\/li\u003e\n\u003cli\u003eCut from 24 gauge copper at .020\" \/ 0.50 mm thick\u003c\/li\u003e\n\u003cli\u003eConsistent gauge and dimensions across all six pieces\u003c\/li\u003e\n\u003cli\u003eSuitable for stamping, enameling, texturing, patination, and surface embellishment\u003c\/li\u003e\n\u003cli\u003eSold as a pack of 6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e1\" x 7\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRectangle with ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 copper rectangle stampings with integrated ring, 1\" x 7\/16\", 24 gauge\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581766172886,"sku":"143.3550","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-rectangle-with-ring-1-x-716-pack-o-otto-frei.jpg?v=1719957409"},{"product_id":"copper-oval-stamping-ring-24-gauge-6-pack","title":"Copper Shapes 24 Gauge Oval With Ring 7\/8\" x 1\/4\" Pack of 6","description":"\u003cp\u003eThese pre-cut copper stamping shapes are an ideal foundation for enameling, stamping, texturing, and mixed-media metalwork. Each oval features an attached ring for easy connection, making them ready to incorporate into pendants, charms, earrings, and other jewelry components with minimal prep work. Sold in a pack of six, they offer a consistent, production-ready supply for studio and bench work.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePre-cut oval shape with integrated ring for immediate use\u003c\/li\u003e\n\u003cli\u003e24 gauge copper provides a workable thickness suitable for enameling, stamping, and forming\u003c\/li\u003e\n\u003cli\u003eConsistent dimensions across all six pieces for uniform production work\u003c\/li\u003e\n\u003cli\u003eReady-to-use stampings reduce fabrication time at the bench\u003c\/li\u003e\n\u003cli\u003eSold in a convenient pack of six\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020 in \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e7\/8 in x 1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eOval with ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581766762710,"sku":"143.3552","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-oval-with-ring-78-x-14-pack-of-6-otto-frei.jpg?v=1719957409"},{"product_id":"copper-framed-oval-stamping-blanks-24g-25x16mm-6pk","title":"Copper Shapes 24 Gauge Framed Oval 25mm x 16mm Pack of 6","description":"\u003cp\u003eThese ready-to-use copper stamping shapes are ideal for jewelers, metalsmiths, and mixed-media artists who need consistent, pre-cut blanks for enameling, stamping, texturing, forming, or layering. Each framed oval features a clean, defined outer frame with an open center, offering a versatile base for a wide range of metalworking and fabrication techniques. Sold in a convenient pack of six, these blanks save bench time and deliver uniform results across a set.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFramed oval silhouette with open center — ready for enameling, stamping, or further fabrication\u003c\/li\u003e\n\u003cli\u003eCut from 24 gauge copper sheet for consistent thickness across all six pieces\u003c\/li\u003e\n\u003cli\u003eUniform dimensions make them suitable for matched sets, earrings, or repetitive production work\u003c\/li\u003e\n\u003cli\u003eCopper material accepts patinas, liver of sulfur, enamels, and surface treatments readily\u003c\/li\u003e\n\u003cli\u003ePre-cut blanks eliminate sawing time and reduce material waste at the bench\u003c\/li\u003e\n\u003cli\u003eSold in a pack of six for studio efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020 in \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eFramed Oval (open center)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e25 mm x 16 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e6 × copper framed oval stamping shapes, 24 gauge, 25 mm x 16 mm\u003c\/li\u003e\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581767876822,"sku":"143.3555","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-framed-oval-25mm-x-16mm-pack-of-6-otto-frei.jpg?v=1719957409"},{"product_id":"copper-oval-blanks-24g-1x0-5-6pk","title":"Copper Shapes 24 Gauge Horizontal Oval 1\" x 1\/2\" Pack of 6","description":"\u003cp\u003eThese ready-to-use copper stamping shapes are an ideal starting point for jewelry making, metalsmithing, and mixed-media projects. Each piece is cut to a horizontal oval measuring 1\" x 1\/2\" in 24 gauge copper, giving you a consistent, smooth blank that's ready for stamping, texturing, forming, soldering, or surface embellishment. Sold in a convenient pack of six, these blanks are well-suited for earrings, pendants, charms, and component work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHorizontal oval shape ideal for earrings, pendants, and charms\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness provides a workable weight suitable for stamping and forming\u003c\/li\u003e\n\u003cli\u003eCopper material accepts patinas, liver of sulfur, and surface treatments readily\u003c\/li\u003e\n\u003cli\u003eConsistent dimensions across all six pieces for matched sets and production work\u003c\/li\u003e\n\u003cli\u003eSmooth edges and surfaces ready for immediate use or further finishing\u003c\/li\u003e\n\u003cli\u003eSold in a pack of six for efficient workflow and small-batch production\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eHorizontal Oval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e1\" x 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 × 24 gauge copper horizontal oval blanks (1\" x 1\/2\")\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581768564950,"sku":"143.3556","price":3.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-horizontal-oval-1-x-12-pack-of-6-otto-frei.jpg?v=1719957406"},{"product_id":"copper-washer-stampings-24-gauge-6-pack","title":"Copper Shapes 24 Gauge Washer 1-1\/4\" Diameter With 3\/4\" Inside Diameter Pack of 6","description":"\u003cp\u003eThese pre-cut \u003cstrong\u003ecopper washer stampings\u003c\/strong\u003e are an efficient solution for metalsmiths, jewelers, and craft artists who need consistent, ready-to-use copper shapes. Each washer measures \u003cstrong\u003e1-1\/4\" outer diameter\u003c\/strong\u003e with a \u003cstrong\u003e3\/4\" inside diameter\u003c\/strong\u003e, stamped from \u003cstrong\u003e24 gauge (.020\" \/ 0.50 mm)\u003c\/strong\u003e copper sheet. The clean, uniform cut makes these washers ideal for layered metalwork, riveting, decorative accents, enameling bases, and mixed-media jewelry. Sold in a convenient pack of 6.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePre-stamped copper washers with consistent, clean edges\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness — workable for forming, texturing, and soldering\u003c\/li\u003e\n\u003cli\u003eAnnular washer profile with open center for versatile design applications\u003c\/li\u003e\n\u003cli\u003eReady to use straight from the pack — no cutting or shearing required\u003c\/li\u003e\n\u003cli\u003eSuitable for enameling, riveting, layered pendant work, and decorative metalsmithing\u003c\/li\u003e\n\u003cli\u003eSold in a pack of 6 identical pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Diameter\u003c\/th\u003e\n\u003ctd\u003e1-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInside Diameter\u003c\/th\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eThese stampings are raw copper and may require cleaning or preparation before soldering, enameling, or finishing. Standard copper care and handling practices apply.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581769547990,"sku":"143.3559","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-washer-1-14-diameter-with-34-inside-diameter-pack-of-6-otto-frei.jpg?v=1719957406"},{"product_id":"copper-square-washer-stamping-24-gauge-6-pack","title":"Copper Shapes 24 Gauge Square Washer 1-3\/16\" With 11\/16\" Inside Hole Pack of 6","description":"\u003cp\u003eThese copper stamping shapes are ready for metalworking, jewelry making, and mixed-media projects. Each square washer is cut from 24 gauge copper — measuring .020\" \/ 0.50 mm thick — with a 1-3\/16\" outer dimension and an 11\/16\" inside hole. The pre-cut form saves fabrication time and delivers consistent results across a full pack of six pieces.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre-cut square washer shape in solid copper\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness for versatile metalworking applications\u003c\/li\u003e\n\u003cli\u003eUniform 1-3\/16\" outer dimension with centered 11\/16\" inside hole\u003c\/li\u003e\n\u003cli\u003ePack of 6 for consistent, repeatable results\u003c\/li\u003e\n\u003cli\u003eReady to stamp, texture, form, patina, or solder\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOuter Dimension\u003c\/th\u003e\n\u003ctd\u003e1-3\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInside Hole Diameter\u003c\/th\u003e\n\u003ctd\u003e11\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 copper square washer stampings, 24 gauge, 1-3\/16\" with 11\/16\" inside hole\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581770465494,"sku":"143.3560","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-square-washer-1-316-with-1116-inside-hole-pack-of-6-otto-frei.jpg?v=1719957406"},{"product_id":"copper-funky-heart-stamping-blanks-24-gauge-pack-6","title":"Copper Shapes 24 Gauge Funky Heart 1-3\/4\" x 1-1\/4\" Pack of 6","description":"\u003cp\u003eThese ready-to-use copper stamping blanks are cut in a playful funky heart silhouette, offering jewelers and metalsmiths a versatile base for enameling, stamping, texturing, wire wrapping, and mixed-media designs. Each blank arrives pre-cut in 24 gauge copper, saving bench time and delivering consistent results across a full pack of six pieces.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFunky heart silhouette with expressive, non-traditional contours ideal for artistic and artisan jewelry\u003c\/li\u003e\n  \u003cli\u003e24 gauge thickness offers excellent workability for forming, dapping, stamping, and surface decoration\u003c\/li\u003e\n  \u003cli\u003ePure copper construction accepts patinas, liver of sulfur, torch flame coloring, and enamel readily\u003c\/li\u003e\n  \u003cli\u003eConsistent dimensions across all six pieces in the pack for uniform production runs\u003c\/li\u003e\n  \u003cli\u003eSold as a pack of 6 for efficient studio stocking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e1-3\/4\" x 1-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eFunky Heart\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e6 × Copper Funky Heart stamping blanks, 24 gauge, 1-3\/4\" x 1-1\/4\"\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581771481302,"sku":"143.3562","price":5.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-funky-heart-1-34-x-1-14-pack-of-6-otto-frei.jpg?v=1719957406"},{"product_id":"copper-heart-stamping-blanks-24g-6-pack","title":"Copper Shapes 24 Gauge Heart 1\" x 3\/4\" Pack of 6","description":"\u003cp\u003eThese ready-to-use copper stamping blanks are ideal for enameling, stamping, texturing, forming, and mixed-metal jewelry work. Each heart-shaped blank is cut from 24 gauge copper sheet, offering a consistent thickness that's easy to work with hand tools, hammers, and flex shaft attachments. Sold in a pack of six, these blanks are a practical choice for production work, classroom use, or stocking your bench supply.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeart-shaped copper stamping blanks ready for bench work\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness is well-suited for enameling, stamping, and forming\u003c\/li\u003e\n\u003cli\u003eConsistent cut for uniform results across all six pieces\u003c\/li\u003e\n\u003cli\u003eCopper surface accepts patinas, enamels, and surface treatments\u003c\/li\u003e\n\u003cli\u003eConvenient pack of 6 for production or classroom use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eHeart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e1\" x 3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581773709526,"sku":"143.3565","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-heart-1-x-34-pack-of-6-otto-frei.jpg?v=1719957406"},{"product_id":"copper-heart-stamping-ring-24-gauge","title":"Copper Shapes 24 Gauge Heart With Ring 5\/8\" x 5\/8\" Pack of 6","description":"\u003cp\u003eThese preformed copper stampings are ready to use straight out of the pack. Each piece is cut in a classic heart shape with an integrated ring for easy attachment, making them ideal for earrings, pendants, charms, and mixed-media jewelry projects. Supplied in a pack of six, these shapes offer a consistent, repeatable starting point for patination, stamping, texturing, or enameling work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClassic heart silhouette with an attached ring for immediate stringing or linking\u003c\/li\u003e\n\u003cli\u003e24 gauge copper construction offers a workable balance of rigidity and formability\u003c\/li\u003e\n\u003cli\u003eConsistent gauge and dimensions across all six pieces for uniform production work\u003c\/li\u003e\n\u003cli\u003eSuitable for patination, stamping, texturing, soldering, and enameling\u003c\/li\u003e\n\u003cli\u003eConvenient pack of six for small-batch projects or sampling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge (.020\" \/ 0.50 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eHeart with ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e5\/8\" x 5\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 copper hearts with ring stampings, 24 gauge, 5\/8\" x 5\/8\"\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581774561494,"sku":"143.3566","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-heart-with-ring-58-x-58-pack-of-6-otto-frei.jpg?v=1719957404"},{"product_id":"copper-5-petal-flower-stamping-ring-24-gauge-6-pack","title":"Copper Shapes 24 Gauge 5 Petal Flower With Ring 1'' Pack of 6","description":"\u003cp\u003eThese copper stamping shapes are ready for use in metalsmithing, jewelry making, and mixed-media art projects. Each piece is a 5-petal flower design with an attached ring, cut from 24 gauge copper sheet at \u003cstrong\u003e0.020\" (0.50 mm)\u003c\/strong\u003e thick. The integrated ring makes these shapes ideal for use as pendants, charms, or components in earring and necklace designs without additional fabrication. Sold in a pack of 6.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5-petal flower silhouette with an attached ring for immediate use as a pendant or charm\u003c\/li\u003e\n\u003cli\u003eCut from 24 gauge copper at 0.020\" \/ 0.50 mm thick\u003c\/li\u003e\n\u003cli\u003e1\" size — consistent dimensions across each piece in the pack\u003c\/li\u003e\n\u003cli\u003eReady to stamp, texture, patina, or incorporate into finished jewelry as is\u003c\/li\u003e\n\u003cli\u003eSold in a convenient pack of 6 matching shapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003e5-Petal Flower with Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581775511766,"sku":"143.3572","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-5-petal-flower-with-ring-1-pack-of-6-otto-frei.jpg?v=1719957404"},{"product_id":"copper-dog-bone-stamping-24-gauge-ring-pack-6","title":"Copper Shapes 24 Gauge Dog Bone With Ring 1-5\/8\" x 1'' Pack of 6","description":"\u003cp\u003eThese copper stamping shapes are ready for metalsmithing, jewelry making, and mixed-media craft projects. Each piece is a dog bone silhouette with an integrated ring, cut from 24 gauge copper sheet at 0.020\" (0.50 mm) thick. The attached ring makes these stampings ideal for pendants, charms, earrings, and linked designs without requiring additional drilling or jump ring attachment. Sold in a convenient pack of six identical pieces.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDog bone shape with integrated ring for immediate use as a pendant or charm\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness — workable for stamping, texturing, forming, and sawing\u003c\/li\u003e\n\u003cli\u003eCopper material accepts patinas, enamels, and surface treatments readily\u003c\/li\u003e\n\u003cli\u003eNo drilling required — ring is part of the stamped shape\u003c\/li\u003e\n\u003cli\u003eConsistent size and gauge across all six pieces in the pack\u003c\/li\u003e\n\u003cli\u003eSuitable for metal stamping, hand engraving, resin filling, and mixed-media applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e0.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e1-5\/8\" x 1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eDog bone with ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 × 24 gauge copper dog bone with ring stampings (1-5\/8\" x 1\")\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581776888022,"sku":"143.3578","price":5.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-dog-bone-with-ring-1-58-x-1-pack-of-6-otto-frei.jpg?v=1719957404"},{"product_id":"copper-leaf-stampings-24-gauge-ring-pack-6","title":"Copper Shapes 24 Gauge Leaf With Ring 1-1\/8\" x 3\/8'' Pack of","description":"\u003cp\u003eThese pre-cut copper leaf stampings are an efficient solution for jewelers, metalsmiths, and craft artisans who need consistent, ready-to-use components. Each leaf features an integrated ring at one end, making it ideal for earrings, pendants, charms, and layered metalwork without requiring additional jump rings or drilling. Sold in a pack of 6, these shapes are a practical addition to any bench workflow.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePre-cut leaf shape with integrated ring for immediate use\u003c\/li\u003e\n\u003cli\u003eConsistent 24 gauge thickness throughout each piece\u003c\/li\u003e\n\u003cli\u003eCopper surface accepts patinas, texturing, stamping, and enameling\u003c\/li\u003e\n\u003cli\u003eReady-to-use form reduces fabrication time\u003c\/li\u003e\n\u003cli\u003eSold in a convenient pack of 6 identical shapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e1-1\/8\" x 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003ctd\u003eLeaf shape with integrated ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 copper leaf stampings with integrated ring, 24 gauge, 1-1\/8\" x 3\/8\"\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581778395350,"sku":"143.3582","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-leaf-with-ring-1-18-x-38-pack-of-otto-frei.jpg?v=1719957404"},{"product_id":"copper-teardrop-stamping-blanks-24-gauge-3-4x1-1-4-pack-6","title":"Copper Shapes 24 Gauge Teardrop 3\/4\" x 1-1\/4\" Pack of 6","description":"\u003cp\u003eThese ready-to-use copper stamping shapes are ideal for jewelry making, metalsmithing, enameling, and mixed-media projects. Each teardrop measures 3\/4\" x 1-1\/4\" and is cut from 24 gauge copper sheet (.020\" \/ 0.50mm thick), offering a lightweight yet workable blank that accepts stamping, texture, patina, soldering, and surface treatments with ease. Sold in a convenient pack of 6, these shapes are well-suited for production work, prototyping, or classroom use.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePre-cut teardrop silhouette — no sawing or shaping required\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness (.020\" \/ 0.50mm) — ideal for stamping, forming, and enameling\u003c\/li\u003e\n\u003cli\u003ePure copper construction accepts patinas, liver of sulfur, and surface treatments readily\u003c\/li\u003e\n\u003cli\u003eSmooth, consistent edges suitable for immediate use or further finishing\u003c\/li\u003e\n\u003cli\u003eSold in a pack of 6 for efficient production and project planning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eTeardrop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e3\/4\" x 1-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e6 copper teardrop stamping blanks, 24 gauge, 3\/4\" x 1-1\/4\"\u003c\/li\u003e\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581779247318,"sku":"143.3586","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-teardrop-34-x-1-14-pack-of-6-otto-frei.jpg?v=1719957404"},{"product_id":"copper-teardrop-stamping-blank-24-gauge-1-5-8x7-8-round-cutout-pack-6","title":"Copper Shapes 24 Gauge Round Cutout Teardrop 1-5\/8\" x 7\/8\" Pack of 6","description":"\u003cp\u003eThese copper stamping shapes are an ideal foundation for metalsmithing, jewelry making, and mixed-media projects. Each teardrop cutout features a round hole and is cut from 24 gauge copper sheet, providing a consistent, ready-to-use blank that saves bench time. Sold in a pack of six, these stampings are well suited for pendant making, earring fabrication, enameling, and other decorative metalwork applications.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePre-cut teardrop shape with round cutout for immediate use\u003c\/li\u003e\n\u003cli\u003eConsistent 24 gauge thickness across all pieces in the pack\u003c\/li\u003e\n\u003cli\u003eCopper material accepts soldering, patinas, enameling, and surface treatments\u003c\/li\u003e\n\u003cli\u003eReady-to-use blanks reduce fabrication and sawing time\u003c\/li\u003e\n\u003cli\u003eSold in a convenient pack of six identical pieces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e.020\" \/ 0.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eTeardrop with round cutout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e1-5\/8\" x 7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e6 × 24 gauge copper teardrop stamping shapes (1-5\/8\" x 7\/8\")\u003c\/li\u003e\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581779968214,"sku":"143.3587","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-round-cutout-teardrop-1-58-x-78-pack-of-6-otto-frei.jpg?v=1719957403"},{"product_id":"copper-gear-stampings-24-gauge-3-4in-6-pack","title":"Copper Shapes 24 Gauge Gear 3\/4\" Pack of 6","description":"\u003cp\u003eThese pre-cut copper gear shapes are a convenient solution for jewelers, metalsmiths, and mixed-media artists working with copper stampings. Each piece is cut in a gear profile measuring 3\/4\" across and gauged at 24 gauge (0.020\" \/ 0.50 mm), offering a consistent, ready-to-use blank for soldering, texturing, riveting, stamping, or cold connections. Sold in a pack of 6, these copper shapes are well-suited for production work, practice, or incorporating industrial-style design elements into finished pieces.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGear profile shape ideal for steampunk, industrial, and mixed-media jewelry designs\u003c\/li\u003e\n\u003cli\u003e24 gauge thickness provides workability for forming, texturing, and stamping\u003c\/li\u003e\n\u003cli\u003e3\/4\" size offers versatility as a pendant blank, connector, or accent element\u003c\/li\u003e\n\u003cli\u003ePre-cut stampings save preparation time in the studio\u003c\/li\u003e\n\u003cli\u003eSold in a pack of 6 for small-batch production or design sampling\u003c\/li\u003e\n\u003cli\u003eCopper material is compatible with standard jeweler's soldering and cold connection techniques\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eGear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGauge\u003c\/th\u003e\n\u003ctd\u003e24 gauge (0.020\" \/ 0.50 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e6 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e6 copper gear stampings, 24 gauge, 3\/4\"\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581780525270,"sku":"143.3590","price":3.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/copper-shapes-24-gauge-gear-34-pack-of-6-otto-frei.jpg?v=1719957403"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/metals-alloys.png?v=1770312133","url":"https:\/\/www.ottofrei.com\/collections\/copper-brass-nickel-silver-sheet-wire-stampings.oembed?page=5","provider":"Otto Frei","version":"1.0","type":"link"}