30Pcs 3mm Titanium Diamond Coated Burs Jewelry Drill Bit Grit 120 Medium with 1/8 Inch Shank

30Pcs 3mm Titanium Diamond Coated Burs Jewelry Drill Bit Grit 120 Medium with 1/8 Inch Shank

Features:

30 pieces of diamond-coated burrs in different shapes (sphere, cylinder, bullet, needle sharp)

Shank diameter: 3.17mm (1/8 inch)

Includes 1/16" (1.59mm) diamond drill bits for medium grit

Overall length: 40mm to 50mm (1 5/8 inch to 2 inch)

Compatible with tools using a 1/8" collet；

Package Includes:

30 pcs/set Titanium Diamond Grinding Burrs；