Twofers - Jewelry bit 220 grit

This ingenious bit from Aanraku cuts a small groove in your cabochon to make it easy to wire wrap. A must have tool if you are doing a lot of wire wrapping.

Twofers Grinder Bits offer superior quality at a low-cost. The diamond abrasive grinding surface is double plated for strength, durability and long life. It's large 18mm bit height gives you a larger grinding surface, designed to maximize bite and allows for the uniform grinding.