COMPREHENSIVE REPAIR TOOLS: The watch repair kit comes with 149 complete watch tools, including adjustable case openers, pry tools, watch band sensors, watch case holders, watch strap holders, screwdrivers, and more. These can meet your watch repair needs, such as opening the watch back case, replacing the battery, replacing the bearings, sensing the strap, adjusting the strap length, etc. You can perform watch repair without any professional knowledge at all, saving the time and expense of going out to find professional . Flexible and Compatible: Our professional set features 3 case opening tools, each suitable compatible withdifferent types of watches. Our upgraded adjustable case opener can hold watches from 1.8-5.5cm, and can easily open multi-slot watch screw caps and oversized watch back covers. PROFESSIONAL-GRADE BAND ADJUSTMENT TOOL: Our bracelet sensor tool is optimized compatible withadjusting strap length. The combination of double-ended hammer, punch pin and strap holder allows precise and safe strap length adjustment. And our spring bar tool is defective and can help you better replace the watch band and avoid the trouble of sizing trays. Excellent production: Our tools are made of high- alloy steel and undergo a special overall quenching treatment to improve their accuracy, which ensures that they can maintain efficient performance during long-term use. Colour:As Shown Material:steel Package Contents: 1 * Watch tool set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.