ITEM NAME:4 Pieces Valve Caps Fits Any Standard Car Valve (Schrader Valve). Tire Valve For Description: Made from high quality light weight aluminum chromed. Portable and durable, easy to carry, lightweight. corrosion and water resistant. Easy to install, screw-on without any direct modification. It comes with 4 pieces of wheel valve caps. Specification: Material: Aluminum Alloy Size Chart: Bottom External Diameter: Approx. 16mm/0.63inch Total Length: Approx. 40mm/1.57inch Package Includes: 4 Pieces Car Tire Valve Stems SKU: DMO0021913252026988.4 Pieces Car Tire Valve Stems. Easy to install, screw-on without any direct modification. SKU: DMO0021913252026988. Portable and durable, easy to carry, lightweight. Total Length: Approx.