1. Easy to carry and easy to operate
2. Ergonomic, optimized material, widely used
3. Environmentally friendly and healthy material, durable
4. Scope of application: watch repair
5. Material: alloy steel
6. Size: 10.8x1.2x6.3cm
7. Weight: 144-piece set: 51.4g, 360-piece set: 74.8g, 270-piece set: 813.g, 360-piece set with ears: 102g