European Universal Quick Coupler High quality 1 year quality warranty Certificate: ISO9001 : 2008 European Universal Quick Coupler 1.Thread:BSP2.Shape:Female,male,hose barb\3.Material:steel4, Surface: nickel plated5.Size:1/4",3/8"1/2".6.Application:Pneumatic tool hose,Connection,Air Pressure,Equipment,Air piping,water. P/NCoupler TypeActionAir Flow BodyMaterialFTSE1-2SFItaly Type Automatic1/4" ...