{"product_id":"durston-1312-quad-jump-ringer-ottoflex-s-flex-shaft-combo-110v","title":"Durston 1312 Quad Jump Ringer and Ottoflex S Flex Shaft Combo-110V","description":"\u003cp\u003eThe Durston 1312 Quad Jump Ringer and OttoFlex S Flex Shaft Combo brings together everything you need to start mass-producing jump rings — except the wire. This competitively priced kit pairs the Durston 1312 Quad Jump Ringer with the OttoFlex S Model 2 flex shaft, giving jewelers and metalsmiths a complete, ready-to-use jump ring making system.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eDurston 1312 Quad Jump Ringer\u003c\/strong\u003e is designed for use with a Foredom No. 30 style handpiece and flex shaft machine. It allows you to mass-produce jump rings from soft, non-ferrous jewelry wire — including gold, copper, and silver. Wire as thick as 13 gauge (1.85 mm) is supported, with inside diameters ranging from 2.5 mm to 12 mm. The most popular wire sizes used in the jewelry industry for jump rings range from 0.8 mm to 1.0 mm.\u003c\/p\u003e\n\n\u003cp\u003eUnlike the Durston Complete Jump Ringer, the Quad model does not include a stand — it uses a simple vise or bench-mounted hand coiler — making it a more affordable option. It includes all the same 20 mandrels and uses the same handpiece holder and high-speed steel saw blade. A key differentiator is the \u003cstrong\u003eQuad Coil Holder\u003c\/strong\u003e, which is 4-sided for more precise angles when holding specific ring sizes.\u003c\/p\u003e\n\n\u003cp\u003eThe included mandrels range from 2.5 mm to 12 mm in 1\/2 mm increments. Note: the three smallest mandrels (2.5 mm, 3 mm, and 4 mm) are not drilled with holes. All other mandrels are drilled.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNot for use with platinum, titanium, steel, or niobium wire.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eOttoFlex S Model 2 Flex Shaft\u003c\/strong\u003e is a top-quality, value-priced flex shaft built for jewelers and craftspeople. Its sealed bearing motor is rated at 1\/8 HP with a maximum speed of 20,000 RPM. The foot control delivers excellent low-speed control with smooth modulation up to full power. The No. 30 style adjustable chuck handpiece features noticeably improved fit and finish over previous value-priced models.\u003c\/p\u003e\n\n\u003cp\u003eThe OttoFlex S Model 2 is compatible with all Foredom handpieces and 110V speed controls. It shares no parts with the original OttoFlex flex shafts; its shafts and sheaths are similar to those used on the Foredom SR model.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete jump ring making system — just add wire\u003c\/li\u003e\n\u003cli\u003eSupports non-ferrous wire up to 13 gauge (1.85 mm)\u003c\/li\u003e\n\u003cli\u003eJump ring inside diameters from 2.5 mm to 12 mm\u003c\/li\u003e\n\u003cli\u003e4-sided Quad Coil Holder for precise angle control\u003c\/li\u003e\n\u003cli\u003eIncludes 20 mandrels from 2.5 mm to 12 mm in 1\/2 mm increments\u003c\/li\u003e\n\u003cli\u003e1-1\/4\" high-speed steel saw blade included\u003c\/li\u003e\n\u003cli\u003eOttoFlex S Model 2: 1\/8 HP sealed bearing motor\u003c\/li\u003e\n\u003cli\u003e20,000 RPM maximum speed\u003c\/li\u003e\n\u003cli\u003eSmooth-modulating plastic foot control\u003c\/li\u003e\n\u003cli\u003eNo. 30 style adjustable chuck handpiece with key\u003c\/li\u003e\n\u003cli\u003eCompatible with all Foredom handpieces and 110V speed controls\u003c\/li\u003e\n\u003cli\u003eNorth American 3-prong plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110V \/ 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Power\u003c\/th\u003e\n\u003ctd\u003e1\/8 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Speed\u003c\/th\u003e\n\u003ctd\u003e20,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmperage\u003c\/th\u003e\n\u003ctd\u003e2.6 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Style\u003c\/th\u003e\n\u003ctd\u003eNo. 30 Style Adjustable Chuck with Key\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWire Compatibility\u003c\/th\u003e\n\u003ctd\u003eSoft non-ferrous only (gold, silver, copper) — not for platinum, titanium, steel, or niobium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax Wire Gauge\u003c\/th\u003e\n\u003ctd\u003e13 gauge (1.85 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eJump Ring ID Range\u003c\/th\u003e\n\u003ctd\u003e2.5 mm – 12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMandrel Count\u003c\/th\u003e\n\u003ctd\u003e20 (2.5 mm – 12 mm in 1\/2 mm increments)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotor Warranty\u003c\/th\u003e\n\u003ctd\u003e12 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece \/ Shaft \/ Sheath Warranty\u003c\/th\u003e\n\u003ctd\u003e3 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin (Flex Shaft)\u003c\/th\u003e\n\u003ctd\u003eMade in China\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\u003eDurston 1312 Quad Jump Ringer (Part #143.202)\u003c\/li\u003e\n\u003cli\u003eDurston 4-Sided Coil Holder\u003c\/li\u003e\n\u003cli\u003e1-1\/4\" High Speed Steel Saw Blade\u003c\/li\u003e\n\u003cli\u003eSaw Blade Mandrel\u003c\/li\u003e\n\u003cli\u003eDurston Handpiece Holder\u003c\/li\u003e\n\u003cli\u003eCoil Winder with Keyless Chuck\u003c\/li\u003e\n\u003cli\u003eDurston Mandrel Set of 20 (2.5 mm – 12 mm in 1\/2 mm increments)\u003c\/li\u003e\n\u003cli\u003eOttoFlex S Model 2 Flex Shaft Kit (Part #134.220)\u003c\/li\u003e\n\u003cli\u003eNo. 30 Style Adjustable Chuck Handpiece with Key\u003c\/li\u003e\n\u003cli\u003ePlastic Foot Control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJump Ringer requires a Foredom No. 30 style handpiece (included via OttoFlex S)\u003c\/li\u003e\n\u003cli\u003eOttoFlex S Model 2 is compatible with all Foredom handpieces and 110V speed controls\u003c\/li\u003e\n\u003cli\u003e110V \/ North American use only\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Durston","offers":[{"title":"Default Title","offer_id":45297660690646,"sku":"143.202-134220","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/143.202-134220NEW_thumb_e343b835-6f6a-476f-bccc-963101c4deb1.jpg?v=1766521394","url":"https:\/\/www.ottofrei.com\/es\/products\/durston-1312-quad-jump-ringer-ottoflex-s-flex-shaft-combo-110v","provider":"Otto Frei","version":"1.0","type":"link"}