1. Material: aluminium alloy 2. Use: anti-dust, protect tyres 3. Standard: american style mouth 4. Mainly made of materials with strong metal texture and anti-corrosion and anti-oxidation ability. 5. Universal, anti-air leakage, anti-theft, effective protection of tyres driving safety 6. Built-in rubber sealing ring, several times the leakage function of the double layer of protection, close to the air leakage 7. Direct replacement, no need to change, easy to install, long-lasting and durable 8. size: height 16mm, diameter 10.5mm
