Reducing Insert Male Adapter | Hex Reducer Bushings | Socket Weld Flange | 5-1/16in | 1-1/2" x 3/4" | 1-1/2" | 1-1/4" x 1" | 1-1/4" x 1/2" | 1/2" x 1/4" | 1" x 3/4" | 1" x 3/8" | 3" x 1/2" | 4" x 1-1/2"