Offset Dual Head Schrader Valve Type for All-Use Applications Fit for Bicycles, Trucks, Motorcycles, and Automobiles Typical Applications for Clincher and Tubular Tires Simple to Use, Superior Material, and Long-Lasting Firm rubber lining with a chromed design for a comfortable grip The dimensions of the 1/4" female NPT thread are 270 x 40 x 20 mm.