Description: Tubeless Truck Clamp-In Valve for Rim hole: 0.62inch(16mm). Bottom Diameter: Approx. 19mm/0.75 Inch. High quality metal material. Easy installation, just spin it tight. Perfect for cars and motorcycles, Motorcycle Accessories & Parts, Automobiles & Motorcycles. Specification: Size: Approx.19x36x16mm/0.75x1.41x0.63inch Package Includes: 20 pieces clamp in tubeless valve