All-metal material, high hardness, more , high precision, tight after pressing, labor-saving and efficient, precise and , no damage to the dial, and no burrs on the mold. ABS precision mold is sturdy and , will not damage the watch cover, complete specifications, and can be used for 90% of the watch covers on the market. Fine and smooth threads easier to adjust the height and strong applicability. The body is small (95x55x82mm/3.74x2.17x3.23 inches) and does not take up too much space. Find a mold larger than the glass ; then find a mold smaller than the back cover; the larger mold is at the bottom and the smaller one is at the top; align the watch cover upward to avoid damaging the mirror , turn the screw and tighten until there is no . The watch embossing tool set includes 1 watch embossing tool, 18 black molds (round, rectangular), 1 watch opener remover, 1 cleaning cloth. Colour:As Shown Material:Metal Package Contents: 1set * watch press tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.