OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Open Battery Change
Brand: OTOOLWORLD
Color: gold
OTOOLWORLD Watch Case Open Ball Friction Ball Watch Case Opener Battery Change
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