SpecificationsFire hose coupling Brass fire hose fittings Many sizes avaiable:1"1-1/2"2"2-1/2"3"4" Packing by carton Fir hose couplingStorz Coupling(Spool Adapters,Website:://.lifestylecasting.com,fire hose coupling) Standard:DIN standard Sizes:1" to 4"Parts:Hose tailFemale adaptorMale adaptorReducers(Swivel)Reducers(Fixed)Blank cap