Hex Reducer Bushing | Counter Sunk Plug | Insert Barb x FIP Adapter | Male Adapter | Push-On insert x Push-On Insert | Slip On Flanges | Socket Weld x Threaded | 1/4" x 1/8" | 1" x 2-1/2" | 1" x 3/8" | 1" | 3-1/2" x 5" | 4" x 2"