High quality watch back case opener for different . the extensible range of this three-pin case opener is max. 55mm.
It has a knurled handle for better grip and an adjustable scroll wheel. It holds watch in 3 positions. By using this adjustable opening case, you can easily open the back case of your watch.
Includes 6 sets of different type of chucks, chucks will work on polygonal, slotted, hole, and grooved case back. Fits most screw back cases.
Perfect for opening watch backs, adjustment, changing watch batteries, gaskets, adjusting bands and more.
Very convenient and easy to take everywhere and easy to use, Suitable for professional and home use.