The 4-piece bead reamer set is perfect for softening the rough edges of beads and enlarging bead holes. The diamond-tipped reamer are specifically for use on glass, ceramic or stone beads. The red and yellow handled reamer are for opening and enlarging various bead holes and lastly the green and blue are perfect for softening any rough edges to then prevent them from cutting into threads. It is important to apply only slow, gentle pressure to avoid breaking or chipping beads.
