Easy To Use: One: To select the lower mold, you need to choose a mold that is larger than the crystal but smaller than the dial. Two: Choose the mold above: choose a mold slightly smaller than the back cover. Three: Install the mold, just use the proper force to install it.More Professional: Each mold is marked with the mold size to make it easier for you to choose the right mold. The die is made of eco-friendly PE material, which will not scratch the watch glass. The lever theorem is used to save your effort when you use it.More durable : The watch press tool is made of high strength metal, which is strong and durable and has a long service life. Each product we will go through strict quality testing to ensure that each tool is not easily damaged and can be used for a long time.Surprise Gift: Watch press tool set comes with a professional watch case pry knife. The precision watch case opener knife is made of high quality metal with a fine tip edge, allowing you to pry open the back cover of your watch more easily.Colour: blackMaterial: metal, PEPackage Contents:1 x Watch case pressing12 x Mould1 x watch case openerOnly the above package content, other products are not included.Note: Light shooting 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. Have a great time shopping!