Schrader 20055 TPMS Nickel Plated Valve Core - Pack of 100 Schrader manufactures all valve core designs and sizes specified by OEMs Schrader offers the largest range of valve core styles and options Manufacture of valve cores is fully automated, and all Schrader valve cores are 100% leak-tested Our fully automated manufacturing allows us to offer zero-defect products Manufacturing and technical support located entirely in North America Electroless TPMS nickel-plated valve core Use of nickel-plated cores prevent galvanic corrosion Box of hundred