Feature:1. Safe way to not scratch watch when remove watch case or repair movement.2. Easy and convenient to operate as well as labor saving.3. Great for watch repairers, watchmakers, and everyday users.4. Lightweight and portable design, easy to carry and use.5. Made of high quality plastic and steel material, solid and durable to use.Spec:Condition: 100% Brand NewItem Type: Watch Opener HolderMaterial: PE Plastic+45K SteelSize: Approx. 8.3 x 4.5 x 3.5cm / 3.3 x 1.8 x 1.4inUsage: Turn the dial down, put the watch on the empty side of the base to prevent clamping, tighten the screw and clamp the watch, then open the back cover of the watch with the opener tool.Package List:3 x Watch Opener HolderNote:Please allow 1-2cm error due to manual measurement. Thanks for your understanding.