6 Pcs Concave Arc Diamond Burs – Fine Grit Diamond 240# Bracelet Making Burr

6 Pcs Concave Arc Diamond Burs – Fine Grit Diamond Mounted Grinding Bits Diamond Burr Bracelet/Ring Making Tools for Rotary Tool/Die Grinder(240#). All of diamond burr are concave arc shape use with rotary tool, hand drill and pneumatic power tools.

6 Pcs Concave Arc Diamond Burs – Fine Grit Diamond 240# Bracelet Making Burr

6 Pcs Concave Arc Diamond Burs – Fine Grit Diamond Mounted Grinding Bits Diamond Burr Bracelet/Ring Making Tools for Rotary Tool/Die Grinder(240#). All of diamond burr are concave arc shape use with rotary tool, hand drill and pneumatic power tools.