Alloy Steel Adjustable Watch Back Case Cover Remover Opener Watch Repair Tool

Feature: 1. Maximum size of the back cover is grooves back covers within 3.7cm. 2. Suitable for most kinds of watch types, universal designs, widely used. 3. Mainly used for opening watch back case and watch battery changing. 4. Suitable for watchmakers and watch repairing workers to use. 5. Exquisite workmanship, no scratching for precious watch surface. Specification: Condition: 100percent Brand New Item Type: Watch Back OpenerMaterial: Alloy Steel Length: Approx. 14.5cm / 5.7inUsage: after turning the knob to the appropriate size, fix the notch, use force extrusion to increase friction, anti-clockwise rotation to open the watch! . Package List: 1 x Watch Case Opener