All-metal material, high hardness, high precision, tight after pressing, labor-saving and efficient, precise fit, no damage to the dial, and no burrs on the mold. ABS precision mold is sturdy and durable, will not damage the watch cover, complete specifications, compatible with approximately 90% of watch covers on the market. Fine and smooth threads allow easy height adjustment and strong applicability. Compact body (95x55x82mm / 3.74x2.17x3.23 inches) saves space. To use: Select a mold larger than the glass and another smaller than the back cover; place the larger mold at the bottom and the smaller one on top; align the watch case upward to avoid damaging the crystal; turn the screw and tighten until secure. Watch embossing tool set includes: 1 watch press tool, 18 black molds (round and rectangular), 1 watch opener remover, 1 cleaning cloth. Color: As shown Material: Metal Package Contents: 1 set x watch press tool Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement error allowance is +/- 1-3cm.