Features: Effortlessly open watch cases with this high elasticity rubber ball, designed to provide superior grip for various case sizes while preventing scratches on delicate surfaces the watch repair tool for professionals and hobbyists. Made from premium nonmarking rubber, this opener tool features a compact, portable design that eliminates metal on metal contact, ensuring smooth operations during watch back removal and maintenance. Ideal for watchmakers, jewelry repair technicians, and Do It Yourself enthusiasts who require fine tools for handling luxury timepieces and vintage watch restoration projects. Perfect for home workshops, professional repair stations, this versatile rubber ball works seamlessly with most popular watch brands' case types. Engineered for long term use, this rubber watch opener maintains its shape through repeated use, offering permanent solution for frequent battery replacements and maintenance needs. Specifications: Component: Rubber Size: 6.5cm/2.56inch Package Includes: 1x Watch Open Case Rubber Ball note: Black high guality ball with open bottom cover should be selfinflated for use.