This precision made Bergeon tool is designed for working on watch balances. Has a variety of notches for tightening all sizes of hairspring collets and for reaming. Superb quality steel construction. Swiss made.
- Perfect for tightening hairspring collets and reaming
- Designed to use on watch balances
- High quality steel construction
- Measures 1-1/16" x 11/16" x 11/16" inches (27 x 18 x18mm)
- Bergeon / Swiss made