Features:1. Easily adjustable for various case dimensions. The maximum jaw opening is 35mm. The watch case fixing tool can be set in different positions for different watch cases of different sizes, and can firmly fix watch cases with a maximum diameter of 38mm.2. The watch wrench opener is specially used to open the screw in back watch (Do not open the gear back cover watch). It is very suitable for watch repairs, you can simply repair your watch by yourself.3. Adjust the three steel clamps of the watch opener to the appropriate position. Select the suitable chucks according to the shape of the edge of the watch, and then put them into the edge of the back cover of the watch. Press the top of the watch opener to the points. Rotate ccw to open the bottom cover.4.
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