{"product_id":"technique-swiss-made-3-32-quick-change-handpiece-duplex-spring","title":"Technique Swiss Made 3\/32\" Quick Change Handpiece with USA Duplex Spring","description":"\u003cp\u003eThe Technique Swiss Made Quick Change Handpiece combines slender, lightweight design with professional-grade construction, making it a trusted choice for jewelers and metalsmiths working with flex shaft systems. This model features a \u003cstrong\u003efixed 3\/32\" collet\u003c\/strong\u003e — it is not intended to be changed — and is fitted with a \u003cstrong\u003eUSA-made Duplex spring attachment\u003c\/strong\u003e for flexible shaft connectivity.\u003c\/p\u003e\n\n\u003cp\u003eDuplex springs are not manufactured by Technique and are attached post-factory. Please review all usage guidelines below before operating this handpiece.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSlender, lightweight handpiece design for extended comfortable use\u003c\/li\u003e\n\u003cli\u003eFixed 3\/32\" collet — not designed for collet changes\u003c\/li\u003e\n\u003cli\u003eUSA-made Duplex spring attachment for flex shaft connection\u003c\/li\u003e\n\u003cli\u003eSwiss made handpiece construction\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCannot be operated in reverse\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCollet Size\u003c\/th\u003e\n\u003ctd\u003e3\/32\" (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Type\u003c\/th\u003e\n\u003ctd\u003eUSA Duplex Spring (attached post-factory)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Operating Speed\u003c\/th\u003e\n\u003ctd\u003e5,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHandpiece Warranty\u003c\/th\u003e\n\u003ctd\u003e60 days (excludes Duplex spring and related parts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDuplex Spring Warranty\u003c\/th\u003e\n\u003ctd\u003eNo warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eImportant usage requirements for Duplex spring models:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDuplex springs \u003cstrong\u003emust not be bent beyond 45 degrees\u003c\/strong\u003e during use. Operating beyond this angle or during handpiece detachment can cause damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not operate above 5,000 RPM.\u003c\/strong\u003e Use of a Foredom LX hi-torque, low-speed flex shaft motor is recommended.\u003c\/li\u003e\n\u003cli\u003eDuplex springs can fail during normal use. Consider purchasing replacement inner duplex springs and learning how to replace them — the inner spring is the most common part to fail.\u003c\/li\u003e\n\u003cli\u003eReplacement inner duplex springs are available: single piece \u003cstrong\u003ePart #134.279\u003c\/strong\u003e (Foredom HP76) or pack of 12 \u003cstrong\u003ePart #134.280\u003c\/strong\u003e (Foredom HP76B).\u003c\/li\u003e\n\u003cli\u003eThe 60-day handpiece warranty \u003cstrong\u003edoes not cover\u003c\/strong\u003e the Duplex spring attachment or any related Duplex spring components — these carry \u003cstrong\u003eno warranty\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCannot be operated in reverse.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Technique","offers":[{"title":"Default Title","offer_id":43583262785750,"sku":"134.699","price":485.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/technique-swiss-made-332-quick-change-handpiece-with-usa-duplex-spring-otto-frei.jpg?v=1719956710","url":"https:\/\/www.ottofrei.com\/products\/technique-swiss-made-3-32-quick-change-handpiece-duplex-spring","provider":"Otto Frei","version":"1.0","type":"link"}