Description: 【Material】: Watch Back Cover Openers are made of steel,Stainless Steel material, which is sturdy, wear resistant, and has high hardness, suitable for long term use, ensuring the stability and reliability of the tool 【Applicable】: Watch Back case Openers are suitable for professional watchmakers, DIY enthusiasts, and watch repair workers, meeting the needs of different users 【Watch repair tool set】: Watch Back case Openers include three types of tools to meet various needs of watch repair tasks and improve work efficiency 【Convenient and easy to use】: Watch Back Cover Openers can immediately remove the watch back cover, which will not scratch the watch back cover during Using, protecting the appearance of the watch 【Portable design】: Watch Back case Openers are compact and lightweight, easy to carry, and can meet the needs of watch maintenance at any time, suitable for various work scenarios Specification: Material: Steel, Stainless Steel Size Chart: Silver Handle Moon Shape Head 1.4x12.6cm/0.55inchx4.96inch Flat mouth 1.2x10.7cm/0.47inchx4.21inch Black Handle Moon Shape Head  1.2x10.5cm/0.47inchx4.13inch Package Includes: 1 Watch Back Cover Openers Set (3pcs) Note: Please allow slightly errors due to manual measurement and different monitors.