{"product_id":"true-size-ring-mandrels-ikohe-sizes-1-16","title":"True Size Ring Mandrels","description":"\u003cp\u003eTrue Size Ring Mandrels are precision-calibrated tools designed to work seamlessly with the True Size Precision ring sizing system, eliminating costly sizing errors between the sales counter and the jeweler's bench. Manufactured by Ikohe — a leading name in professional jewelry tools sold worldwide — these mandrels were formerly branded as Wolf Tools True Size Ring Mandrels and continue to set the standard for sizing accuracy.\u003c\/p\u003e\u003cp\u003eEach mandrel is crafted from hardened steel and laser etched in 1\/4 sizes from 1–16, ensuring clear, durable markings that hold up to daily bench use. A built-in sizing gauge on the end allows jewelers to quickly measure the amount of stock needed to fabricate a ring at any given size. Precision manufactured using Swiss Made CNC machinery, these mandrels deliver the consistency professional jewelers demand.\u003c\/p\u003e\u003cp\u003eAvailable in two configurations: a standard Graduated model and a Graduated \u0026amp; Grooved model for added versatility in forming and sizing work.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrecision calibrated to match the True Size Precision ring sizing system\u003c\/li\u003e\n\u003cli\u003eLaser etched in 1\/4 sizes from size 1–16 for clear, lasting readability\u003c\/li\u003e\n\u003cli\u003eBuilt-in sizing gauge on the end for quick stock measurement\u003c\/li\u003e\n\u003cli\u003eMade from hardened steel for durability at the bench\u003c\/li\u003e\n\u003cli\u003eManufactured using Swiss Made CNC machinery\u003c\/li\u003e\n\u003cli\u003eAvailable in Graduated or Graduated \u0026amp; Grooved configurations\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\u003eHardened steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e1–16 (marked in 1\/4 sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMarkings\u003c\/th\u003e\n\u003ctd\u003eLaser etched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncludes\u003c\/th\u003e\n\u003ctd\u003eSizing gauge on end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eIkohe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible System\u003c\/th\u003e\n\u003ctd\u003eTrue Size Precision ring sizing system\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\u003e143.075\u003c\/td\u003e\n\u003ctd\u003eGraduated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e143.075GR\u003c\/td\u003e\n\u003ctd\u003eGraduated \u0026amp; Grooved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Ikohe","offers":[{"title":"Graduated","offer_id":43553877033174,"sku":"143.075","price":41.95,"currency_code":"USD","in_stock":true},{"title":"Graduated \u0026 Grooved","offer_id":43553877065942,"sku":"143.075GR","price":45.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/true-size-ring-mandrels-otto-frei-1.jpg?v=1719959070","url":"https:\/\/www.ottofrei.com\/ja\/products\/true-size-ring-mandrels-ikohe-sizes-1-16","provider":"Otto Frei","version":"1.0","type":"link"}