It comes with an assortment of 12 watches for all sizes. A watchmaker's tool with lever-reinforced angled pressure device. Watch repair tools black, high quality and unique appearance, the base has four threaded holes, good stability. It is made of cast metal to ensure strength. This watch cover is easy to use and use, all you need to do is adjust the pressure plates before gently pressing the lever down. How to use : -1.step: Choose a size larger than the surface of the watch and install it on the top of your device. - 2. Step: Choose another one that is smaller than the back cover, install on the bottom of the pressing machine. - 3. step: place the watch on the mattress, make sure it is in the right position. Feature: - Made of cast metal to ensure strength, can be closer to your watch. - Snap-on system allows the dies to snap together quickly, with a spring-loaded lever, easy to use. - It comes with an assortment of 12 dies to allow all watches to be size. Package included: -1 x Clock Button. -1 x Screw Watch Dial Opener .