Assorted 20 pieces of Diamond coated rotary grinding burrs  

Specifications and shapes:

Heads Shapes:       CYLINDER

Head Diameter:     8mm (close to 5/16 inch)

Shank diameter :   6mm (close to 1/4 inch)

Grit :                      120 (medium)

Total length:         60mm (2-3/8 inch)

Quantity:               10 Pcs

Suitable for use in grind the edge of glass, marble, rock, gemstone, jewelry, shells, tile etc.

Use with water as a lubricant is better

Regular Air postage from China to United States is FREE and takes 15-25 days delivery to you home 

We will send out your order within 1-2 days after payment has been received and cleared. Please let us know if you are looking for other accessories or hardware. Should you have any queries, please contact me directly.