Item Type: Watch Back Case Opener Material: Alloy, Plastic Length: Approx. 15.2cm / 5.98in Suitable: for Watch repairing Package List 1 x Watch Back Case Opener Please allow 1& 8209;2mm error due to manual measurement. Thanks for your understanding. 1Professional tools to reduce damage to the watch case and injury to the user during maintenance. 2Made of high alloy and plastic quality materials, strong and durable, no scratching for watch and easy to use. 3Adjustable design to better fit different sizes of watches, suitable for most kinds of watch models. 4Very suitable for watch maintenance personnel, watch maintenance personnel and daily users to open watch case. 5Suitable for opening watch back cover, professional watch repair accessories and has exquisite workmanship.