TWO PACK 1 Inch Standard 170 Medium Grit Universal Diamond Grinding Bit for Stained Glass Grinders 

Aanraku 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 uniform grinding. Diamond coating guaranteed not to peel!

170 diamond mesh grit (medium grit) and 1" diameter.  Bits fit most glass grinders.

Fast Shipping:
Bradstreet Glass ships each order within one business day, meticulously packaged for protection. We make every effort to ensure your stained glass supplies arrive quickly and to your complete satisfaction.