Precise Watch Press Tool: High precision, tight once pressed, labor-saving and efficient, precise and durable, no damage to the dial, no burrs in the mold. Includes watch case openers, case closers, hand presses, and other specialized tools for delicate watch repairs. This kit is for watches with round dials between 16mm and 50mm in diameter; it is only suitable for watch back covers with pry holes, not for back covers with screws. Versatile Watch Back Press Tool Set: 21-piece watch repair kit for opening, closing, and replacing watch batteries on circular dials from 16-50mm. Watch press tool set contains 1pc x watch press tool, 18pcs x assorted dies (round, rectangle), 1pc x watch opener remover, 1pc x cleaning cloth, 1pc x prying pin in a package. Different size dies to fit your watch. Equipped with a fiber cloth, put it between the watch glass surface and the mold before pressing to avoid scratching the glass. How to Use: Find a mold that is larger than the glass surface; then find a mold that is smaller than the back cover; the larger one is on the bottom and the smaller one is on the top; align the watch cover upward to avoid damaging the mirror surface, rotate the screw and tighten it. High Quality Watch Repair Kit: Crafted with durable materials, these tools ensure precise and efficient work, making them a must-have for watch enthusiasts, hobbyists, and professionals alike. Whether you're a beginner or an experienced watch repairer, this versatile set will streamline your watch maintenance and repair processes. Adjustable Height: Fine and smooth threads make it easier to adjust the height and have strong applicability. The body is compact (95x55x82mm / 3.74x2.17x3.23inch) and does not take up much space. The design uses vertical downward pressure to align the power arm and lever in a straight line, which can maximize downward pressure.