These brushes work well for a variety of uses in the repair shop such as
cleaning and surface finishing brass parts (rotors, slide tubes, etc.) or
cleaning old glue or shellac out of the cork channel on clarinet tenons.

The fine brass wire strands are 0.003" (0.076mm) in diameter and are
mounted on a hardwood hub with 1/4" (6.35mm) diameter hole for mounting on tapered
spindle or wheel arbor. Overall diameter: 3" (76mm).