{"product_id":"durston-precisionfit-steel-ring-mandrel-us-sizes-1-16-quarter-size-no-groove","title":"Durston PrecisionFit Steel Ring Mandrel Graduated in USA sizes 1 To 16 by 1\/4 Size-No Groove","description":"\u003cp\u003eThe Durston PrecisionFit Steel Ring Mandrel is a super premium, properly hardened and expertly machined steel mandrel matched to the Durston Ring Size System and the Durston Ring Finger Gauge. Designed to work in concert with the full Durston sizing system, this mandrel helps jewelers minimize customer ring size issues at the bench—whether you are using a Durston finger gauge or another brand. With over 20,000 units in use at some of the largest jewelry operations in the United States, it is the mandrel of choice for professional jewelers who demand precision and consistency.\u003c\/p\u003e\u003cp\u003eGraduated in US sizes 1 through 16 by 1\/4-size increments, this no-groove mandrel delivers clear, accurate sizing markings across the full range. Made in the United Kingdom to exacting tolerances, it replaces part number 143.076.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMatched to the Durston Ring Size System and Durston Ring Finger Gauge for consistent, precise sizing\u003c\/li\u003e\n\u003cli\u003eProperly hardened and expertly machined steel construction\u003c\/li\u003e\n\u003cli\u003eGraduated in US sizes 1–16 in 1\/4-size increments\u003c\/li\u003e\n\u003cli\u003eNo groove design for a clean, unobstructed working surface\u003c\/li\u003e\n\u003cli\u003eTrusted by some of the largest jewelry operations in the United States—over 20,000 units in use\u003c\/li\u003e\n\u003cli\u003eMade in the United Kingdom\u003c\/li\u003e\n\u003cli\u003eReplaces part number 143.076\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003eUS sizes 1–16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGraduation\u003c\/th\u003e\n\u003ctd\u003e1\/4 size increments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGroove\u003c\/th\u003e\n\u003ctd\u003eNo groove\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel (hardened)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eUnited Kingdom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReplaces\u003c\/th\u003e\n\u003ctd\u003e143.076\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Durston","offers":[{"title":"Default Title","offer_id":43582152048854,"sku":"143.088","price":65.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/durston-precisionfit-steel-ring-mandrel-graduated-in-usa-sizes-1-to-16-by-14-size-no-groove-otto-frei.jpg?v=1719957219","url":"https:\/\/www.ottofrei.com\/products\/durston-precisionfit-steel-ring-mandrel-us-sizes-1-16-quarter-size-no-groove","provider":"Otto Frei","version":"1.0","type":"link"}