BEADSMITH BEAD REAMER 2.4V 10000 RPM BATTERY OP
"Perfect for softening rough edges of beads, and to smooth and enlarge bead holes. Motor operates at 10,000 rpm.
Ergonomic hand piece is lightweight and comfortable.
Includes three diamond points: Large and Small Tapered Tips and an Angled Tip.
Always use water when cutting with diamond instruments.
Runs on two AA batteries (not included)."