ITEM NAME:Three-grab Watch Case Opener Adjustable Screw Back Remover Wrench Repair Tools Descriptio n Specification: Material: stainless steel Color: Silver Size: 14*7cm Watch suitable for less than 55mm of rear cover diameter Description: This watch tool case opener is easily adjusted to enable the opening of most screw back type watch cases.Adjustable case opener, this is arguably the best tool for opening/closing screw on watch cases. Product list: 1*watch opener ï ¼Å’18 × Replaceable parts Note: 1.Please allow a little size error due to manual measurement. 2.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. Honesty is gold for all! For 55mm three-grab watch universal opener + 18 steel teeth