1-5/8in | Coupling | Hex Reducer Bushing | Male Adapter | Plug | Push-On insert x Push-On Insert | Reducer Couplings | 1-1/4" x 3/4" | 1" x 2-1/2" | 2" x 1/2" | 3-1/2" x 5" | 4" x 2" | 6" x 2"