360 PCS / Set with Ear Batch 10-27mm Strap Connecting Shaft Stainless Steel Watch Spring Bar

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