Product: eoocvt 50pcs Diamond Tipped Coated Rotary Grinding Head Jewelry Lapidary Burr Grit
Brand: eoocvt
Shank : 3mm (close to 1/8") 
 Package Included: 
 1 x 50 pcs Diamond coating rotating grinding head 

Suitable for use in grind the edge of glass, tile, marble, jewlery or rock
Largest head size : 16mm (close to 5/8") Smallest head size : 2.3mm (close to 3/32")
There are many shapes such as sphere, cylinder, round head cylinder, needle, flat plate, etc.....
fit dremel or other brand rotary tools.
Please use water for coolant if possible

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