Snap-In Tubeless Valve Stem Created as a Schrader replacement these black tire valve stems can be installed into any standard wheel seamlessly using and let you add a replacement tire valve core effortlessly with a core remover tool. Leak-Resistant, Road-Ready Design The heavy-duty rubber is weather resistant, strong enough to stand up to on- and off-road adventures and wont leak air or retain moisture even during intense climate or environmental changes. Rust-Resistant Brass Tip Each TR-413 tire valve stem is fitted with a high-quality brass fitting that allows you to safely secure a tire valve stem cap. It also allows for better air flow when youre filling up tires or checking tire pressure. Optimal Stem Valve Length Valve-Loc valve stems for tires are 1.25 in length and fit wheel hole diameters of 0.453 to ensure they can fit a wide range of common cars, trucks, SUVs, RVs, outdoor recreational vehicles and other standard-sized wheels. Complete Black 4-Pack Every order comes with four individual snap-in, tubeless tire valve stems to make it easier to swap out one at a time as needed, or to replace all stems on your vehicle at once.