1. TC4 titanium alloy material, durable and not easy to rust
2. Easy to press, easy to use
3. Good elasticity, light and portable, wide applicability
4. Material: TC4 titanium alloy
5. Hole size of perforation: 14 x 10mm
6. Weight: about 7.5g
7. Size: about 4.5 x 1.8cm