Feature: 1. Pressure Control: You can control the pressure by screwing top handle, use just enough pressure to fit back case. 2. No Damage: Helps to press watch dies without risking any clamps on your hands and on the watch itself. 3. Stable: Crafted with high quality materials, this watch back case closer can keep stable without any shakes throughout the process. 4. Practical: Professional and precise watch repair tool set, convenient, quick and effortless, which is very suitable for watch repairmen use. 5. No Scratches: Watch back case press tool set will not cause scratches and marks on your watch face and cover, suitable for watch repairing, battery replacing, case closing, etc. 6. Excellent Material: Watch capping machine set made of high quality aluminum alloy and wooden, which is sturdy and durable, with exquisite compression spring, not easy to deform. Specification: Item Type: Watch Capping Machine Set Material: Aluminium Alloy, wooden Wooden Board Size: Approx. 150 x 350 x 20mm / 5.91 x 13.78 x 0.79in Machine Size: Approx. 200 x 185 x 46mm / 7.87 x 7.28 x 1.81in Concave Shape Press Dies Upper Lower Diameter: Approx. 44mm, 42mm / 1.73in, 1.65in 41mm, 40mm / 1.61in, 1.57in 39mm, 38mm / 1.54in, 1.50in 37mm, 36mm / 1.46in, 1.42in 35mm, 34mm / 1.38in, 1.34in 33mm, 32mm / 1.30in, 1.26in 31mm, 30mm / 1.22in, 1.18in 29mm, 28mm / 1.14in, 1.10in 27mm, 26mm / 1.06in, 1.02in 25mm, 24mm / 0.98in, 0.94in 23mm, 22mm / 0.91in, 0.87in 21mm, 20mm / 0.81in, 0.79in 19mm, 18mm / 0.75in, 0.71in 17mm, 16mm / 0.67in, 0.63in Convex Shape Press Dies Upper Lower Diameter: Approx. 33mm, 32mm / 1.30in, 1.26in 31mm, 30mm / 1.22in, 1.18in 29mm, 28mm / 1.14in, 1.10in 27mm, 26mm / 1.06in, 1.02in 25mm, 24mm / 0.98in, 0.94in 23mm, 22mm / 0.91in, 0.87in 21mm, 20mm / 0.81in, 0.79in 19mm, 18mm / 0.75in, 0.71in 17mm, 16mm / 0.67in, 0.63in 11mm, 10mm / 0.43in, 0.39in Dies Quantity: 25pcs Purpose: Watch repair tool helps you solve your watch problems at home instead of going to a watch repair shop. . Package List: 1 x Watch Capping Machine25 x Watch Back Case Dies1 x Wooden Board1 x Fixed Die Screw 1 x Die Fixed Accessories Note: Please allow small error due to manual measurement. Thanks for your understanding.