[HOW TO USE]Find a mold that is larger than the glass ; then find a mold that is smaller than the back cover; the larger one is on the bottom and the smaller one is on the top; align the watch cover upward to avoid damaging the mirror , rotate the screw and tighten it until there is no . [ADJUSTABLE HEIGHT]Fine and smooth threads easier to adjust the height and have strong applicability. The body is compact and does not take up much space. [BLACK MOLD]Precision mold is strong and , does not damage the watch cover, has complete specifications, and can be used for 90% of watch covers on the market. [MAIN MATERIAL]All metal material, high hardness, more , high precision, tight once pressed, labor-saving and efficient, precise and , no damage to the dial, no burrs in the mold. Colour:Silver&Black Material:Metal + Plastic Package Contents: 1pcs x watch tool 18pcs x black mold(round, rectangle) 1pcs x watch opener remover 1pcs x cleaning cloth(The color of the cleaning cloth is random, no specified color is accepted) 1pcs x pry knife(The color of the pry knife is random, no specified color is accepted) 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.