Replacement 45deg bead reamer point. For smoothing and enlarging the pre-drilled holes in glass and stone beads. Diamonds are electroplated onto a steel tool. They are perfect for cutting materials such as stone, ceramics, shell and other brittle metals. It has a 1/8" shank.
Works with most hand held and electric bead reamers. Just make sure your reamer accommodate the 1/8" shank. The overall length of this reamer tip is approximately 1-3/4". The diamond coated section is about 3/16" .