Description:

With using this case opener, you can easily open the back case of your watch.
Designed to remove the watch back cover without marks or scratched.
This watch repair tool is a ideal device for replacing batteries and any other watch repair.
Easily adjustable for various case dimensions (10mm to 40mm)

How to Use:
1.Put the watch case in a watch cast holder.
2.Then roll the adjustment wheel of the Watch Back Case Opener to set the bit spacing to fit your watch's back case grooves.
3.Just turn it and your watch back case is open up.

Specification:
Clamps Type: Round Pin
Clamps Tip Diameter: 1.5mm / 0.06"
Clamps Distance: 10mm-40mm / 0.4"-1.57"
Total Length: 126mm / 4.96"