Godeson Black Tire Valve Stem Cap with Rocket Shape, 4 Pcs/Set, Aluminum Tire Wheel Stem Air Valve Caps for 8V1 US schrader valve, Dustproof Caps 1.High Quanlity Material OF SCHRADER VALVE CAP, high grade & light-Weight aluminum alloy with anodizing,The valve stem cap are durable, rustless, antioxidant in extreme weathe 2.SCHRADER VALVE CAP FOR Standard 8V1 Thread Size,Inside dimension is 7.4 and the height is 27mm, fits for most cars, bus trucks, motorcycle and bikes 3. Rocket shape and Conveniences, the vavel cap is easily to install and easily to remove it when to check air pressure 4.Features a completed o-ring seal, dustproof and waterproof. 5.1 year warranty,any quality questions within1 year can be solved in properly