1. Material: aluminum alloy 2. Purpose: dustproof, tire protection 3. Format: american mouth 4. Mainly made of materials with strong metallic texture and anti-corrosion and anti-oxidation capabilities 5. Universal type, anti-leakage, anti-theft, effectively protecting tire driving safety 6. Installation method: knob type 7. The inner spiral texture is clear and fits the original car, preventing it from falling when driving in the middle and better protecting your car. 8. Size: 11x12mm
