[ No Leakage & High Efficiency ]: Just press down locking clip on tire inflator, push or twist the tire air chuck into the valve stem until it is clamped, release the lock clip, no other tool is required, very practical and convenient. The tire inflator chuck gives you a great seal on the tire valve, it is great Air tire inflator nozzle Hose Adapter accessory. [ Premium Tire Air Chuck With Clip Adapter ]: Each air chuck is made of heavy duty solid brass for higher strength and durability. [ Universal Fitment ]: 8mm end makes it the perfect choice for hose repairs, compatible with 8mm bore hose, Inflator Air nozzle fit for a host of vehicle tire inflator tire pump adapter , like bike, motorcycle, truck,car tire fill etc. [ Precise Design ]: Its well-made design with clean smooth surface, tire inflator chuck fitted for passenger and truck tire valves. Can fix regular fast connector to inflate. [ Easy To Operate ]: Plugs open flow air chuck into the hose and hooks it to the valve stem. It's easy to depress and strong enough to stay in place.