04.0mm 40 Grit Round Diamond Burr - 1/8 inch shank

4mm 40 Grit Cone Diamond Coated Burr

• 4mm round ball shaped head (Size varies due to the the way the grit is applied)
• 1/8 inch shank
• Diamond coated accessories will cut into glass, wood, metal, stone, practically anything
• For use with Dremel and other rotary tools
• New but not in retail packaging