Feature:1. Mainly used to open the watch back case, easy and convenient to repair and maintain watches. 2. Package includes 2pcs watch back case opener, size 15cm/5.9inch, easy to use. 3. Professional watch repair accessories, give you a satisfactory experience and exquisite workmanship.4. Suitable for watchmakers and watch repair workers to use, practical and exquisite tool. 5. One of the professional watch repair tools, suitable for repairmen and hobbyists to save expensive repair costs. Specification: product type: watch back case opener material: alloy Size: approx. 15cm / 5.9inch Suitable: for watch repair workers Usage: watch repair Package List:1 x Blue Watch Case Opener 1 x Black Watch Case Opener Note:Please allow 1-2cm error due to manual measurement. Thanks for your understanding.