{"product_id":"italian-6-spline-ring-stretcher-reducer-size-3-15","title":"Italian 6 Spline Ring Stretcher \u0026 Reducer","description":"\u003cp\u003eDesigned for professional jewelers working with precious metal wedding bands, the Italian 6 Spline Ring Stretcher \u0026amp; Reducer enlarges and reduces gold, platinum, and similar precious metal bands with minimal effort. Made in Italy, this top-quality unit features a six-spline enlarging mandrel calibrated and marked in USA quarter ring sizes from size 3 through size 15. It can be bolted securely to a bench or used as a portable tool, offering flexibility in the workshop.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot for use with steel or titanium bands.\u003c\/strong\u003e Always inspect bands for previous sizing work before stretching — bands that have been previously sized and soldered may split at the seam. Only \u003cstrong\u003eseamless\u003c\/strong\u003e precious metal wedding bands should be stretched using this tool. The amount of enlargement possible depends entirely on the thickness and type of band; thinner bands will size up less than thicker bands.\u003c\/p\u003e\u003cp\u003eThe double-sided reducing plate features sixteen openings (eight per side) and is smoothly polished to prevent marring. It is used to slightly reduce the size of \u003cstrong\u003eplain round\u003c\/strong\u003e precious metal (gold and platinum) wedding bands. Size reduction is typically no more than 0.5 of a USA finger size, depending on band thickness and width.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnlarges and reduces gold, platinum, and similar precious metal wedding bands\u003c\/li\u003e\n\u003cli\u003eSix-spline enlarging mandrel for secure, even sizing\u003c\/li\u003e\n\u003cli\u003eMandrel calibrated in USA quarter ring sizes, size 3 through size 15\u003c\/li\u003e\n\u003cli\u003eCan be bench-mounted or used as a portable tool\u003c\/li\u003e\n\u003cli\u003eDouble-sided reducing plate with sixteen openings (eight per side)\u003c\/li\u003e\n\u003cli\u003eSmoothly polished reducing plate to prevent marring\u003c\/li\u003e\n\u003cli\u003eMade in Italy\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Size Range\u003c\/th\u003e\n\u003ctd\u003eSize 3 – Size 15 (USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Increments\u003c\/th\u003e\n\u003ctd\u003eUSA quarter ring sizes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMandrel Splines\u003c\/th\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReducing Plate Openings\u003c\/th\u003e\n\u003ctd\u003e16 total (8 per side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eBench-mountable or portable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Metals\u003c\/th\u003e\n\u003ctd\u003eGold, platinum, and similar precious metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNot Compatible With\u003c\/th\u003e\n\u003ctd\u003eSteel or titanium bands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBand Type for Stretching\u003c\/th\u003e\n\u003ctd\u003eSeamless precious metal bands only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBand Type for Reducing\u003c\/th\u003e\n\u003ctd\u003ePlain round precious metal bands only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Weight\u003c\/th\u003e\n\u003ctd\u003e21 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eItaly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInspect all bands for prior sizing or soldering before attempting to stretch. Previously soldered seams may split under stress.\u003c\/li\u003e\n\u003cli\u003eEnlargement capacity depends on the thickness and type of band — thinner bands accommodate less size increase.\u003c\/li\u003e\n\u003cli\u003eSize reduction using the reducing plate is typically no more than 0.5 of a USA finger size.\u003c\/li\u003e\n\u003cli\u003eNot intended for use with steel or titanium bands.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OMO","offers":[{"title":"Default Title","offer_id":43581285957846,"sku":"148.350","price":425.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/italian-6-spline-ring-stretcher-and-reducer-otto-frei.jpg?v=1719957625","url":"https:\/\/www.ottofrei.com\/products\/italian-6-spline-ring-stretcher-reducer-size-3-15","provider":"Otto Frei","version":"1.0","type":"link"}