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cutter set

Cutter set for barrel bridge ETA 7750-7758

Practical 2-step cutter system for inserting bushings into the barrel bridge. By means of the cutter duct, which is attached to the bridge, the bridge is precisely turned out. It happens very often that the mainspring barrel of ETA 7750 - 7758 has too much clearance over time. Until now, there was only the possibility to exchange the barrel bridge or the gear bridge. These are not always available in the required version, or must be sent to the manufacturer for service. By inserting the bushings, it runs stably without clearance again. The bushings are made of beryllium copper, cold hammered.

Scope of delivery:
- 1x cutter (red) = step 1
- 1x cutter (blue) = step 2
- 1x cutter duct
- 5x brass bushings

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