New one box set of assorted 30 pieces Diamond coated burrs (drill bits) in box set (Cylindrical Type).

* They will fit your hand drill, drill press & your Dremel® and Foredom® tool with a 3mm collet.

* They are diameter 1mm, 2mm & 3mm CYLINDRICAL HEAD (10 pieces each size, total 30 pieces).

* Diamond coated length is 10mm (3/8 inch). Total length is 45mm (1 3/4 inch)

* Shank diameter : 3mm

* premium type diamond coated in GRIT 120 (Medium)

* suitable for glass, marble, rock or jewelry.

PLEASE ADD WATER FOR COOLANT IF POSSIBLE.

• They will fit your hand drill, drill press & your Dremel® and Foredom® tool with a 3mm collet.
• They are diameter 1mm, 2mm & 3mm CYLINDRICAL HEAD (10 pieces each size, total 30 pieces).
• Diamond coated length is 10mm (3/8 inch). Total length is 45mm (1 3/4 inch)
• Shank diameter : 3mm. premium type diamond coated in GRIT 120 (Medium)
• uitable for glass, marble, rock or jewelry. PLEASE ADD WATER FOR COOLANT IF POSSIBLE.

They will fit your hand drill, drill press & your Dremel® and Foredom® tool with a 3mm collet.imported