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