DiamondCore D22 Bead Reamer Rotary Tool
The D22 Bead Reamer Rotary Tool features a 47 mm long needle shape for smoothing or widening holes in ceramic, glass or stone beads. These diamond rotary tools are incredibly long-lasting with proper use.
Note: For longevity, use water, high speed and gentle pressure. Overheating the tool will greatly decrease tool lifespan and change the tool shape. "Let the diamonds do the work."