Watch Adjustable Opener Back Case Press Closer Remover Repair Watchmaker Tool and Watch Case Back Opener Repair Remover Tool

JDYYICZ Watch Back Case Opener * This is a new waterproof watch back case wrench. * Simple to use and fully adjustable, it have adjustable tempered pins for easy use on water resistant cases. * Its compact size makes it very convenient to use. * Jaw distance is adjustable from 11mm to 54mm * Size: 70mm X 28mm X 11mm * Material: steel * Color: blue How to Use: -Put the Watch Case Holder in place, adjust the white posts, turn the black knob and make it fit snugly around the watch face plate. -Then roll 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.