4/8/12Pcs Tire Valve Caps Heavy-Duty Stem Covers | Dust proof with O Rubber Seal | Hexagon Design | Outdoor All-Weather Leak-Proof Air Protection | Light-Weight Universal Aluminum Alloy

RUBBER SEAL INSIDE-All dust caps for wheels has rubber rings, no air leaking on long, tough drives. Made of Aluminum Alloy-Gun Gray Metal, Strong, Dust proof, more durable. ESAY TO INSTALL-Hexagon shape, easier to grab and tighten, more convenient. WIDE APPLICATION-Universal fit for Cars, SUVs, Bike and Bicycle, Trucks, Motorcycles. Warning-Although these premium aluminum tire caps are anodized and durable, they can fuse to the tire valve stem if not cared for properly. Prior to installation and between reapplication, apply grease to help prevent fusion. Specifications: Material: aluminum alloy O rubber seal. Color: Black, Silver, Gold, Blue, Red, Gray, Sky Blue, Green, Orange, Purple. Size: 16.8 x 10 mm 0.66 x 0.39 inch. Universal size fits for most cars, bus, trucks, motorcycle, bikes and other vehicles