Plastic&metal Watch Back Press Closer Glass Fitting 12 Ties

For the watch tool crystal press and back case press. 12 Pieces Watch Dies. Size of the dies in round shape use both size : 17-19 mm, 20-22 mm,23-25 mm, 28-29 mm, 30-31 mm, 31-33 mm, 35-37 mm, 39-41 mm, 40-43 mm, 45-50 mm.