Copper Construction:Valve stem extenders are crafted from metal with a polished silver finish, offering reliable corrosion resistance and long-lasting performance to withstand harsh road conditions and extended use;
Precise 39mm Size:These tire valve extenders measure 39mm × 8mm (1.54 × 0.31 inches), featuring a standard thread design that ensures a tight, secure fit with most standard tire valve stems for accurate air pressure access;
Leak-Proof Seal:The valve stem extenders adopt a seamless sealing structure with a built-in airtight valve core, effectively preventing air leakage and consistent tire performance;
Ventilated Design: This valve stem extension has hollowed ventilation slots to support clear airflow and enhance pressure stability;
Wide Compatibility:Suitable for cars, trucks, motorcycles and trailers, these tire valve extenders are ideal for deep-dish wheels or custom rims where the original valve stem is hard to reach;