Check the listing for details. Round Diamond Bur Set 12 Pc Assorted Ball Burs 1/8” Diamond Coated Lapidary Bits. Condition: New. Listed at 9.34 USD. ROUND DIAMOND BUR SET 12 PC ASSORTMENT BALL BURS 1/8" SHANK 150 GRIT DIAMOND COATED - LAPIDARY BITS ROTARY POINTS USE WITH DREMEL - FOREDOM - ROTARY TOOLS.Round Shaped Diamond coated bur assortment set with 1/8" - 3.17mm shanks. This assortment set has 12 Ball Shaped Burs ranging in size from 1.25mm to 6mm. Diamond Ball Burs can be used for various applications including carving, grinding and etching. Diamond Coated rotary bits are a Medium 150 Grit, to be used with a coolant (Water will do) to prevent overheating and extend the life of the coated abrasive. JETS Product # 0210-57120 Diamond Bits used for: - Lapidary - Glass Work - Stones and Ceramics - Hobbies and Crafts - Jewelry and Precious Metals - Modeling Model Making Diamond Round Bur Kit: Shape: Round 12 Pieces Burs Lengths: 1.76" - 44.7mm Diameter Range: From 3/64" - 1.25mm To 15/64"- 6.0mm Set comes in a Plastic Container NOTE: WORK SAFE - Always wear proper face and eye protection when working with Abrasive, Rotary Bits and Tools. Item is Brand New, in Plastic Box.SHIPPING: Via USPS FIRST Class Mail NOTE: Visit JETST INC our E-bay Store for a wide variety other Burs, drills, Rotary Tools and supplies for Lapidary, Hobby and Metal Working along with many more Jewelers Equipment Tools and Supplies. JETS Inc. E2 2X-5e 3X-8E 4X-10E 5X-12E 6X-13E 212 CKSP