Features 1,Professional Repair Set: Watch press set comes with a press tool, 12 fitting ties, and a watch opener to open the buckle back cover, you can purchase this kit to complete the watch battery replacement. 2,12 Fitting Dies: Includes 50 or 48 mm, 46 or 44 mm, 42 or 40 mm, 38 or 36 mm, 34 or 33 mm, 32 or 31 mm, 30 or 28 mm, 26 or 24 mm, 23 or 21 mm, 20 or 18 mm and two special molds. It is easy to find the right die to complete the installation. 3,Simple Operation: First, choose the lower die, you need to choose a larger die than the crystall Then, choose the upper die, choose a slightly smaller die than the back cover Last, install the die, put the clean cloth on the lower die, put the watch on it, and then close the back cover with the appropriate force press tool. 4,Material: Machine is made of high hardness aluminum, equipped with thick spring, lever principle design, easy to press installation. The 12 molds are made of ABS material and can avoid scratching the back cover. 5,Efficient and Practical: The watch back case press set is more accurately, efficiently and reliably, a versatile tool for watch repairs. It can also be given as a gift to a friend. Specification Item Type: Watch Press Tool Material: Metal, ABS Package List 1 x Watch Press Tool12 x Dies Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. YJL official store