20PCS Euro Air Line Hose Fitting Connector Quick Release 1/4'' BSP Male Female
4 x 1/4" BSP Female Thread. 4 x 1/4" BSP Male Thread. 1 x 1/4" BSP Fitting with Female Thread. 1 x 1/4" BSP Fitting with Male Thread. Featur es : Made of heat treated hardened steel for strength and durability.