39pcs Set Watch Repair Adjustment Strap Removal Tool Set 1. Ideal for common watch repair problems, such as adjusting band length, opening the back cover, changing bands, removing bands, setting bands, replacing batteries, and gaskets. 2. From disassembly to assembly, all the necessary tools are included to easily open and close watch covers. 3. Easy to use, durable, portable, practical, and simple to operate, allowing you to troubleshoot watch problems at home. 4. The hammer side is used to strike the punch pin, while the opposite side is used to strike the connecting shaft, minimizing scratches. 5. Beginner-friendly: Even beginners can remove the case, safely operate, and replace the battery in minutes. Packaging contents: Small hammer x 1 Small round silver metal splitter x 1 Watch adjuster rod x 1 Small double-ended fork x 1 Orange pozidriv mount x 1 Instruction manual x 1 Copper pins x 13 Watch lugs (4 each for numbers 16, 18, 20, 22, and 24) x 20