ITEM NAME:1 x Watch Battery Change Back Case Opener Screw Wrench Repair Tool Kit Cover Hot Descriptio n Description: Features: For opening most screw back cases A fully adjustable case opening tool Simple design with thumb screw to adjust diameter Very convenient and easy to take everywhere and easy to use Specifications: Specification: Color: Blue Material: Metal Size: Approx. 2.64*1.06*0.43inch / 6.7*2.7*1.1cm (Length*Width*Thickness) Adjustable jaw distance from 0.39inch to 1.97inch (1cm to 5cm) Package Included: Package includes: 1x Watch Back Case Opener Note: Note: 1. this tool is suitable for the screw cap table, cannot be used in the gland table  (that is stuck open unscrew the bayonet table) 2.Please allow a little size error due to manual measurement. 3.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Whatever the ending's perfect or not, you can't disappear from my world 1 x Watch Battery Change Back Case Opener Screw Wrench Repair Tool Kit Cover Hot.1x Watch Back Case Opener. We'd like to settle any problem in a friendly manner. For opening most screw back cases. this tool is suitable for the screw cap table, cannot be used in the gland table (that is stuck open unscrew the bayonet table).