AANRAKU GRINDING BITS
1/4″ (19mm) Two in a pack – “Twofers”. Double plated bonding, 100/200 Grit. Maximized diamond abrasive. More grinding surface, extended grinding life, and superior quality. Fits on top of your regular grinding bit. You will need a wet sponge to hold against the 1/4″ bit while grinding to keep wet and cool.