Description: 【Quality material】: This watch back opener tool is made from quality alloy steel and ABS material, making it sturdy, and resistant to deformation. It can be used repeatedly for a long time 【Watch repair tool】: This watch repairing tool is specifically designed for watch maintenance. It features a design that allows you to open and close the back cover of the watch 【Easy to use】: The hand key wrench adopts a round cover design that is easy to grip, providing stability during repairs 【Suitable size】: The key handle tools measure 7.5 cmx7 cm/2.95 inchx2.76 inch in size, offering a compact structure and lightweight design that makes it easy to store and carry around 【Wide application】: This watch back remover is ideal for clock and watch repairs, making it a practical accessory gift for watchmakers or professionals in the field Specification: Material: Alloy Steel and ABS Size Chart: 7.5cmx7cm/2.95inchx2.76inch Package Includes: 1 Watch Back Case Opener Note: Please allow slightly errors 1-2cm differences due to manual measurement.