Easily adjustable for various case dimensions (10mm to 37mm), not scratch the back of your wrist band. Fully adjustable via the wheels and Holds watch in 3 positions.
Wrench Knurled handle prevents losing your grip, with 6sets of chucks: 3 x Square, 9 x Round, 3 x Triangular, 3 x Knurled
The watch tool repair kit ensures long term use. You can do the jobs multiple times with this tool without worrying the quality.
Easy to Use: 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.
Replacing battery and fixing watch movement will be super easy with this repair tools. It is your professional companion for DIY watches tool repair.