Blind Flange | Hex Reducer Bushing | Hex Reducer Bushings | Male Adapter | Male NST x FIP Adatper | Threaded Flanges | 300lb | 1-1/2" | 1" x 3/4" | 1" x 3/8" | 3/8" x 1/8" | 3" x 3/4" | 4" x 1-1/2"