TMAX 30 pc SET 1mm 2mm 3mm Grit 150 Diamond Drill Bit for Dremel

TMAX 30 pc SET 10 pc. 1mm 10pc. 2mm 10 pc. 3mm Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary burr 1/8" Shank for Dremel and other rotary tools They will fit your hand drill, drill press & are for Dremel and Foredom tools with a 1/8" collet. Shank diameter: 3.17mm (1/8 inch). Diamond drill bits in a coarse grit. For drilling glass, shells, tile and stone. Overall length is 40mm (1-5/8 inch) Premium type diamond coated in GRIT 150 (medium). Suitable for glass, marble, rock or jewelry. US-BASED CUSTOMER SERVICE: Available by chat, email, phone, or visit us at our customer service center in La Crosse, WI.