Features 3 pcs valve extenders with angles of 45 degrees, 90 degrees, and 135 degrees, each equipped with rubber seals to ensure airtight performance without leakage. Made of high-quality brass with chrome-plated surface and metal dust cover for durability and long service life. Easy to install by screwing the adapter onto the tire valve; the extender base rotates freely for convenient operation and helps extend the life of the original valve stem. Threaded head attaches to existing valve stems; included end cap replaces the original valve cap. Solves difficulty in inflating tires or checking air pressure; built-in valve core allows for inflation and deflation, offering quick and convenient use. Compatible with most bicycles, motorcycles, trailers, and motorhomes equipped with standard American tire valves. Specification Item Type: Tire Valve Stem Extender Material: Brass Valve Angle: 45, 90, 135 Application: American Tire Valve Package List 3 x Valve Stem Extender