{"product_id":"standard-grooved-graduated-ring-mandrel","title":"Standard Grooved \u0026 Graduated Ring Mandrel","description":"\u003cp\u003eThis specialized ring mandrel features a longitudinal groove designed to accommodate the \"set\" of stone-set rings, allowing them to be measured and shaped without putting pressure on the gemstones. It is graduated from US size 1.0 to 15.0 and is made from high-quality hardened steel for long-term durability. The groove is a vital safety feature for any repair jeweler, as it prevents the mandrel from crushing prongs or dislodging stones during resizing and forming tasks. This is a must-have tool for the professional stone-setting and repair department.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":53394148294931,"sku":"M3-201","price":29.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/9602\/4851\/files\/m3-201_1.png?v=1769803375","url":"https:\/\/romanoff.com\/products\/standard-grooved-graduated-ring-mandrel","provider":"Romanoff International Supply Corp.","version":"1.0","type":"link"}