- The ball is already full of air + 1 ball needle
- Great for opening watch cases , Hold the watch in one hand and in the other hand, press the friction ball onto the back of the watch.
- Start twisting to unscrew the watch back.
- 2-1/2 inches in diameter
- and you can fill air by the basketball pump yourself if need full air
- The ball is already full of air + 1 ball needle
- Great for opening watch cases , Hold the watch in one hand and in the other hand, press the friction ball onto the back of the watch.
- Start twisting to unscrew the watch back.
- 2-1/2 inches in diameter
- and you can fill air by the basketball pump yourself if need full air