Premium Material Made of high quality zinc alloy, this connector is anti-rust, anti-corrosion, and designed for stability and durability in demanding inflation tasks. Key Benefit Converts standard tire inflator hoses into a secure lock-on connector, delivering a leak-free, steady connection for faster, more accurate inflation. Simple Installation Attach the rear end of the inflation head to the pump's rubber hose, then connect the mouth of the inflation chuck to the tire valve to begin inflation. No special tools required. Compatibility and Performance Suitable for most cars, motorcycles, mountain bikes and bicycles. Built to maintain a secure fit during use, helping to reduce air leakage and maintain consistent pressure. Why you need it - Improves inflation efficiency with a reliable lock-on connection - Reduces valve slipping and air leakage during pumping - Simple upgrade that enhances compatibility across common inflators and tires Use scenarios - Home garage or driveway: quickly convert your inflator hose to a lock-on nozzle for frequent car and bike tire top-ups. - Mobile service or roadside assistance: lock-on connection for fast, secure inflation on various vehicles without fumbling. - Bike shop or workshop: efficient inflation for multiple bikes and tires, keeping hoses steady and inflations accurate.