{"product_id":"grs-023-280-ring-layout-mandrel","title":"GRS 023-280 Ring Layout Mandrel","description":"\u003cp\u003eThe GRS Ring Layout Mandrel is purpose-built to help artists and jewelers lay out rings with greater accuracy and efficiency. The mandrel's circumference is marked in 10-degree intervals, with clearly defined markings at 0°, both 90° positions, and 180°. This degree-based layout system makes it easy to divide any ring into precise quadrants — an essential advantage when spacing stones, scrolls, design elements, and other decorative details evenly around a band.\u003c\/p\u003e\u003cp\u003eThe tapered profile accommodates a wide range of ring sizes, making this a versatile tool for everyday bench use across varying project requirements.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCircumference marked in 10-degree intervals for precise angular layout\u003c\/li\u003e\n\u003cli\u003eKey reference markings at 0°, 90° (both sides), and 180°\u003c\/li\u003e\n\u003cli\u003eDivides rings into accurate quadrants for consistent spacing of stones, scrolls, and design elements\u003c\/li\u003e\n\u003cli\u003eTapered shape fits a wide variety of ring sizes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Size Range (US)\u003c\/th\u003e\n\u003ctd\u003e1⅓ – 12½\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Size Range (mm)\u003c\/th\u003e\n\u003ctd\u003e12.8 – 21.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003ctd\u003e023-280\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × GRS Ring Layout Mandrel (023-280)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Glendo GRS","offers":[{"title":"Default Title","offer_id":43584386728150,"sku":"103.280","price":77.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/grs-023-280-ring-layout-mandrel-otto-frei-1.jpg?v=1719956236","url":"https:\/\/www.ottofrei.com\/ja\/products\/grs-023-280-ring-layout-mandrel","provider":"Otto Frei","version":"1.0","type":"link"}