Feature: Easy installation, no tools required. Replace the original bad valve cap of the tire and keep the wheel work well. Portable and unique design, durable and anti rust. The dustproof tire valve caps can prevent water, dust, sand, or something else from coming into the tire, and prolong the tire service life. Universal fit for autos, cars, trucks, motorcycles, and bicycle valve stem caps. Please allow 1-2mm dimension differences due to different manual measurements. Specification: Material: Copper Nickel Plated Color: Silver Tone Dimension: 45x26x10.6mm / 1.77"x1.02"x0.42"(L*W*H) Hole Diameter: 7mm/0.28" Thread Size: M8x0.8 Package Included: 2 x Tire Valve Stem Caps