2Pcs Air Compressor 1/2" BSP Line Fittings Hose Pipe Couplings Connector Kit Quick Release Coupler with Male Female Thread

HARDENED STEEL: Made of heat treated hardened steel for strength and durability.Zinc plated finish for rust and erosion resistance. SM40 - 1/2" BSP Female Thread Quick Release Coupler PM40 - 1/2" BSP Male Thread Connector SPRING LOADED: Spring loaded quick release couplers which should Be used on the compressor so that the air is contained when the air tool is disconnected. PERFECT LOCK: When using the coupler(s) slide back the sleeve, push in the connector and then slide back the sleeve fully to lock in the connector., Weight: 0.3086471668 Pounds, Manufacturer: Mgoodoo