2-Pack Brass Tire Air Chuck, Locking Quick Connect Inflator Hose Adapter, No Lea

【THREADED SCREW-IN & LOCKING CLIP】 Designed to solve the problem of air leakage. The locking clip on the tyre inflator nozzle is to be pushed or screwed into the valve stem until clamped, which creates an ultra-tight seal, eliminating air loss.