Balance Staff Pivot StraightenerBergeon
Balance Staff Pivot Straightener is a "Seitz" precision tool for straightening balance staff pivots. A control device on this tool allows balance staff pivots to be straightened without breaking. The base consists of 41 jewelled holes from 0.07 mm to 0.15 mm with a progression of 0.025 mm, suited for the majority of balance staff pivots. Detailed operating instructions are included with each set. A must tool for those who repair antique pocket and wrist watches.