Water & Wood Watch Case Opener Ball Color in Random 1.100% Brand New 2.High quality and handfeel. 3.Inovative tool, makes you open the watch in an easy, precise, and safe way for any but the most difficult waterproof casebacks. 4.It&apos;s smart design allows it to fit and evenly grip the surface, giving it more strength yet never scratching your watch. Easy to use; simply squeeze, press, then turn. 5.Perfect for any toolkit whether you&apos;re a professional watchmaker or a hobbyist. 6.Diameter: Approx. 7 cm Package includes: 1x Watch Case Open ball