Reamer set of 4 pieces for fine work. Five cutting edges and tapered for maximize range of varying hole sizes. Swiss
An essential tool for jewellery designers, a bead reamer is a pointed, round file that is used to either smooth the edges of the drill-hole in a bead, or to enlarge or straighten the hole itself.
A reamer allows you to use beads that might not seem usable because of small hole size, sharp edges, irregularity or burs.