Features Premium Tire Inflator Hose Adapter, designed for tire inflator hose converting, easily convert tire inflator's twist-on connection to lock-on connection. Screw adapter end onto original inflator hose, press to clamp adapter head onto tire valve, start the inflator for a quickly and none leaking inflation. All metal construction air chuck, portable tire inflator chuck adapter, for bike, motorcycle, car air fill. Open flow 90 degree thumb-press air chuck, easy and quick hands-free inflation. Excellent tight seal lock-on air chuck, make sure no annoying air leaking. High quality strengthen rubber hose, durable and flexible. Standard us fine thread connection (5/16”x32TPI), the same as the thread on all USA standard car valve stems, compatible with inner thread of twist-on air chuck. Convert tire inflator twist-on air chuck to lock-on air chuck. All metal construction, portable tire inflator chuck adapter, designed with standard US fine thread for twist-on air chuck convert to lock-on connection, ideal for bike, motorcycle, car tire air fill. Specifications: Material: all metal air chuck+rubber hose+brass connection fitting Connection thread: 0.305"x32TPI (5/16"x32TPI) Hose length: 40cm Connection type: Thumb press lock on Air chuck type: Schrader valve Package include: 1Pc Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Please allow 1-3mm slight deviation due to manual measurement. Thank you!