Size - Round size: 50/48mm, 45/43mm, 42/40mm, 38/36mm, 34/33mm, 32/31mm, 30/28mm, 26/24mm, 23/21mm, 20/18mm, 16mm, 25/20mm Material - The press is made of High-quality materials, more stable and easy pressure application. The dies are made of High-quality materials, which will not scratch the watch crystals glass. Feature - This watch press tool applies pressure by screwing top handle, you can control how much pressure you use, you can use just enough pressure to fit case back. Application - The inserts of dies can be screwed to the watch press tool, which is convenient to use. Note - This watch press kit comes with a cleaning cloth for padding under your watch while press to protect your watch well. Material: plastic colour: A-transparent Package Contents: 1 set watch press set back case closer(Accessories are shown in the picture) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.