Watch Back Case Opener * This is a new waterproof watch back case wrench. * Simple to use and fully adjustable, it have adjustable tempered pins for easy use on water resistant cases. * Its compact size makes it very convenient to use. * Jaw distance is adjustable from 12mm to 57mm * Size: 70mm X 28mm X 11mm * Material: steel * Color: blue Watch Case Holder * It is used for securing watch cases while opening and closing waterproof backs. * The large case holder is useful for holding large watches, including Divers-type watches in place, while using a hand wrench to open case back. * The tool is used to minimize the risk of slipping and scratching the backs of watches. * The tool can also be used as a holder while watch is being worked on. * The unit comes with base and 4 adjustable nylon pegs. * The tool vise may be mounted on a desk or work bench. Unit will firmly holds cases up 70mm in diameter. Package included: 1 x Vastar Watch Back Case Opener 1 x Watch Holder Warranty: 18-month warranty. Any questions you have, please don't hesitate to contact us. We will get you back within 24hours.