Pocket Watch Crab Case Opener with Jaxa Style Keys

For snap-on watch backs.
Can be used by left-handed and right-handed people

Die Sizes (mm): 18.50, 20.20, 22.50, 26.50, 28.30, 29.50.
To open oyster style watches. Watch gets locked into position so that it reduces the chances of scratching.

Insert the hook into the notch of the case back and pop it open.

Suction Type with Wood Handle
Uses suction to open a threaded back without damaging the surface.