{"product_id":"busch-fig-411t-twincut-concave-cup-bur-kit-of-13-0-80mm-to-2-00mm","title":"Busch Fig 411T Twincut Concave Cup Bur Kit of 13-0.80mm to 2.00mm","description":"\u003cp\u003eBusch burs are the most trusted name in jewelers' burs, engineered to ultra-high precision tolerances from tungsten vanadium steel. The Fig 411T Twincut Concave Cup Bur is a versatile 3-in-1 design that combines concave cup geometry with twincut fluting—delivering clean, efficient cutting performance for stone setting, seat preparation, and detail work. This kit provides a complete size progression in a single purchase, ideal for jewelers who need precision across a broad range of stone and seat dimensions.\u003c\/p\u003e\u003cp\u003eThe kit includes one each of all 13 sizes from 0.80 mm to 2.00 mm, conveniently organized in a plastic bur box for easy bench access and size identification.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBusch Fig 411T Twincut Concave Cup profile—3-in-1 design for versatile cutting tasks\u003c\/li\u003e\n\u003cli\u003eTwincut fluting for smooth, efficient material removal\u003c\/li\u003e\n\u003cli\u003eManufactured from tungsten vanadium steel to ultra-high precision tolerances\u003c\/li\u003e\n\u003cli\u003eComplete size range from 0.80 mm to 2.00 mm in 0.10 mm increments\u003c\/li\u003e\n\u003cli\u003e13 burs included, organized in a plastic bur box\u003c\/li\u003e\n\u003cli\u003eConsistent geometry across all sizes for predictable, repeatable results\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Busch Burs","offers":[{"title":"Default Title","offer_id":43582573379798,"sku":"118.028T","price":54.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/busch-fig-411t-twincut-concave-cone-cup-bur-kit-of-13-0-80mm-to-2-00mm-otto-frei.jpg?v=1719956975","url":"https:\/\/www.ottofrei.com\/products\/busch-fig-411t-twincut-concave-cup-bur-kit-of-13-0-80mm-to-2-00mm","provider":"Otto Frei","version":"1.0","type":"link"}