Features: Perfect tool for replacing watch cases. Crafted with great cast iron, the press is kept stable without any shakes throughout the watch fixing process. 12/20 assorted dies for watches of all sizes,which can meet your different needs. Dies are made with highly resistant ABS that wont cause scratches and marks on your watch face and cover. Easy-to-use press machine that helps to snap on/off watch crystals and dies without risking any clamps on your hands and on the watch itself. Specification: Material: ABS,Metal Note: Actual color may be slightly different from the image due to different monitor and light effect. There may be small marks on the upper surface of the tool, which are caused by processing. Type: Hand Tool Parts Material: Alloy Steel includes:Choice 1: 1 X Case Press Machine 12 X Dies Choice 2:1 X Case Press Machine 20 X Dies