1. Material: aluminum alloy
2. Precision thread, fine workmanship, automatic one-piece tapping excellent processing, will not cause coarse and fine different threads
3. CNC precision cutting, anode will make the aluminum surface to generate a layer of protective film, anti-corrosion and anti-rust, long-term use does not lose color
4. Alloy material production, with a strong sense of metal texture and anticorrosion and antioxidant capabilities
5. Laser engraved logo printing, beautiful and not monotonous
6. Simple installation, easy to use, does not affect the ride
7. Size: 16 x 7mm
8. Weight: 0.8g