5 Pcs Concave Arc Diamond Burs, 1/8 Inch Shank Coarse Grit Diamond Mounted Engraving Bits Diamond Burs (No.80),5 x diamond burr

Concave burr are made of 80# premium diamond particle for cutting
All of diamond burs are 1/8 inch shank fit rotary tools, drill and pneumatic power tools
Concave arc shape grinding head design suitable for bracelet / ring making
Great for field stone, ceramics, glass, , tile, marble , jewelry, rock etc
Be sure to cool the water (like a drip device in a hospital) when you carving

Color: As Shown
Material: Metal + Diamond

Package Contents:
5 x diamond burr

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.