AMIUHOUN Watch Case Screw Cap with 20 Dies Acrylic Watchmaker Tool Kit for Watch Repair, as shown

Material - The is made of acrylic, more stable and easy to apply pressure. The dies are made of ABS plastic, which not scratch the watch glass. Function - This watch tool applies pressure, it screws on the top. You can control how much pressure you apply, you can apply just enough pressure to mount the case back. Size - Overall size of the : 100 x 65 x 80 mm (L x W x H), round size: 50/48 mm, 45/43 mm, 42/40 mm, 38/36 mm, 34/33 mm, 32/31 mm, 30/28 mm, 26/24 mm, 23/21 mm, 20/1 mm. 8 mm, 16 mm 25/20mm Square Size 45mm 40mm 35mm 30mm 25mm 20mm Sign Size 44mm 37mm Application - The inserts of the dies can be screwed to the watch tool, which is convenient to use. Note - Please make sure to use the correct jaws to avoid damage to the watch.