1 High Quality Material: The pendulum rotor is made of high quality aluminum alloy, which is durable, rust proof and wear resistant. 2 Easy to Carry: This is a small, light and portable pendulum rotor, which is convenient for you to carry to any occasion. 3 Basic Purpose: The specially designed pendulum rotor tool can easily release and lock the pendulum bolts of the watch for you. 4 Specializing Application: This pendulum bolts tool is made for ETA 2892 7750 two movement models 5 Applicable People: The pendulum rotor is suitable for watchmakers and watch repairers, and the operation is simple.

What's in the box
1 x Watch Crown Winder