Gen Purpose Lead-In, 3/8" x 30", 1/4" Ball SwivelRubber Lead-Ins are constructed of EPDM rubber hose. Installing a lead-in will isolate high-vibration tools such as impact guns and air hammers from couplers, extending their life.Ball Swivel Fitting Increases User's Range of Motion && ComfortComposed of EPDM Rubber HoseMade in USAProduct InformationDescriptionGen Purpose Lead-In, 3/8" x 30", 1/4" Ball SwivelDiameter3/8"Fittings1/4" MPT x 1/4" Ball SwivelLength30"UPC ID029292295956