Air Line Hose Fittings 1/2" BSP Female Thread Quick Release Coupler Connector Pack of 2

HARDENED STEEL: Made of heat treated hardened steel for strength and durability.Zinc plated finish for rust and erosion resistance. SF40 - 1/2" BSP Female Thread Quick Release Coupler PF40 - 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., Manufacturer: Mgoodoo