SKYZONAL Watch Repair 13-in-1 Tool Set Kit This is a set of 13 watch repair tools, helps to fix any problems with your watch. Adjustable Case Opener which opens 6 styles of cases. With 18 Pins for the Adjustable Case Opener. (The pins are counted as one piece in the 13-piece count.) Link remover, watch case holder, carrying case also included. Can be used for repair clock, watch, wristwatch etc. Also perfect for watch tool kit collectors. SkyzonalTM is a US registered trademark protected by the US Trademark Law.