About this item 【Durable PSI 256】High quality strengthen nylon-wrapped rubber hose, durable and flexible. Rubber liner in the nozzle, airtight seal to tire valve stem, no air leaking. 【Lock Air Chuck】Thumb press to lock, 1 second to finish, easy connect and release, no need to waste time to twist on and off for each tire. Easy and quick hands-free inflation. 【Safe and Energy Save】Our air hose inhalator adapter built in air bleeder valve to quickly air down overinflated tires. 【Essential Tool】Using this extension Tire Valve Adapter, you can ensure longer-lasting tires, improved fuel economy, and superior traction & handling on the road or trail. Emergency and daily use for your car, truck, SUV, motorcycle, bike, trailer, RV, etc. Dimensions: 7.68 x 5.55 x 1.38 inches.