2 air inflation hose adapters

All metal construction, portable tire inflator chuck adapter, for bike, motorcycle, car air fill. NO leaking, strengthen and high pressure-resistant rubber hose,PSI 284, duralbel and flexible, excellent tight seal lock-on air chuck. Simple to use, equipped with an easy snap-on connector, no need to hold up with hand,more faster and easier, instead of old ways screw on and off for many times. Locking air chuck same thread as standard Schrader tire valve,, compatible with female inner thread of twist-on tire valve connectors. ​Use under 284 Psi, heavy truck/vehicle forbidden