Key features

• •New one box set of 30 pieces diamond coated burrs with pointed heads in box set.
• •They will fit your hand drill, drill press & for Dremel and Foredom tool with a 1/8" collet. Shank diameter : 3.17mm (1/8 inch)
• •included 1/16" (1.59mm) diamond drill bits in a fine grit, for drilling glass, shells, tile and stone.
• •Overall length is 40mm to 50mm (1 5/8 inch to 2 inch) | They will fit your hand drill, drill press & for Dremel and Foredom tool with a 1/8" collet. Included 1/16" (1.59mm) diamond drill bits in a fine grit, for drilling glass, shells, tile and stone. Overall length is 40mm to 50mm (1 5/8 inch to 2 inch). Shank diameter : 3.17mm (1/8 inch). Premium type diamond coated in GRIT 300 (fine). 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.