915 Generation Adjustable Watch Opener Back Case Tool Repair Watchmaker Too

and high quality can fit different size watch cases. It is the most effective tool for watch case opening. of DIY - It may be way too expensive to pay a jeweler to replace the battery. Now with this easy-use watch tool set, you can !
Widely used- Great Tools for Waterproof watch case opening, batteries replacing and watch repairing.
The watch case holder tool will minimize the risk of slipping and scratching.
Durable life time, strong material gives the opener a long-last working time. It is also water resistant and will not easily rust or damaged. Color: blue
Material: stainless steel
Size: 70mm * 28mm * 11mm (L * W * H)
Adjustable distance from 11 mm to 54 mm. size, easy to use.
Works great on 99% waterproof watches (with grooves on the back). How to Use
Turn the black knob and fit snugly around the watch plate. Then the adjustment wheel of the Watch Back Case Opener to set the bit spacing to fit your watch's back case grooves.
Just turn it and your watch back case is open up.
Package Contents: 1 x Watch Back Case Opener
Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.