Stainless Steel | Blind Flange | Blind Flanges | Hex Reducer Bushings | Male Adapter | Reducing Insert Male Adapter | 1-1/2" x 1/2" | 1-1/2" | 1" x 3/4" | 2-1/2" x 2" | 4" x 1-1/2" | 4" x 2" | 12"