The 3/4" regular bit from Aanraku is the industry standard. Quick grinding ability and fairl smooth edges make it the perfect all around bit for any studio. Also, the smaller size works well for tight a tight radius or smaller pieces.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.
