Feature: 1. Rubber Material: Crafted from high strength rubber material, the watch case opener provides excellent durability and longevity for long term usage, resistant to daily wear and tear. 2. Soft ad Flexible: The watch back case opener features a soft and flexible design that protects your watch from scratches, ensuring high practicality and reliability. 3. Easy to Operate: The watch case remover ball is easy to use, just squeeze, press, and twist. The ball evenly and firmly adheres to the surfaces of various watch sizes, safely and effectively removing the back without causing damage to the watch. 4. Inflatable Design: The watch friction ball is inflatable, and can be easily folded for convenient storage and transportation, making it extremely portable and easy to store. 5. Versatile Use: The watch battery replacement ball is an ideal tool for both professional watchmakers and hobbyists, an excellent addition to any toolkit. Suitable for any watch sizes. Specification: Item Type: Watch Case Opener Ball Material: Rubber Package List: 1 x Watch Case Opener Ball or 3 x Watch Case Opener Ball