Watch Case Opener for Screw On Style Backs Pocket Wrench Tool Square Pins

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This compact pocket case wrench is great to add to any battery repair kit or watchmakers bench to help open screw on style wristwatch backs. With tempered adjustable pins and easy to use adjusting wheel this tool will grip notched watch case backs allowing you to easily twist them off and remove them. This style has rectangular pins. The maximum pin opening distance is 51mm. Tool has all steel construction.

  • Opens and closes almost all screw-on style watches with notches on the case back
  • Measures 2-5/8" x 1-1/8" (66.7 x 28.6mm)
  • Will fit notches from 12.5mm to 51.0mm across (inside notch diameter measurement)
  • Simple design with thumb screw to adjust diameter
  • Fits a multitude of watch back sizes

Click Here to Learn How to Open a Watch Back