Workhorse Automotive’s Premium TPMS Tire Valve Stem Replacement Caps, Pack of 50 are perfect for any professional or Do-It-Yourselfer. These replacement caps are made with the highest quality material and workmanship. Workhorse Automotive prides itself on offering the highest quality tire and wheel products. The addition of the rubber O-ring ensures a secure fit on the valve stem. This helps ensure that dirt and contaminants do not damage the valve core or get inside the tire, extending the life of the tire. Fits all TPMS equipped tire valves. Works on any valve including TPMS equipped valves. These premium TPMS tire valve replacement caps fit chrome, brass and aluminum valve stems. Perfect for Cars, Trucks, SUV’s, ATV’s, UTV’s, Trailers, Lawn Mowers, Golf Carts and more. Cheaper valve caps do not contain the rubber o-ring and can degrade and crack easily.