Set of 20PCS Plastic Dies for Watch Case /Crystal Press 

    It is compatible with the press machine in the second photo indicates.
    The watch case press machine in the photo NOT included in sales!

    Round shape: 18/20, 21/23, 24/26, 31/32 ,33/34 ,36/38 ,40/42, 43/45 ,46/44, 48/50mm
    Rectangular shape dies Size: 20mm, 25mm, 30mm, 35mm, 40mm, 45mm
    Round shape dies use only 1 side: 16/16, 20/25mm
    2 dies on different shapes : 36.8mm, 45mm

    Diameter of thread: about 5.2mm

    Color; white or blue, which will be sent out in random!

    Package includes: 1 set ( watch case press machine NOT included)