Brass Quick Connect Socket Material: Brass CW37700, CW614N Max PSI 4000 Size:1/4" ,3/8" ,1/2" Brass Female Quick Connect SocketMaterial: Brass CW37700, CW614NMax PSI 4000Size: 1/4", FPT female threadsQuick Connect Size: 1/4", inchWeight :70gSize: 3/8", FPT female threadsQuick Connect Size: 3/8" inchWeight :95g Brass 1/4 FPT Female Quick Coupler Socket ,Brass Female Quick Disconnect Socket