Threadolets | Insert Barb x MIP | Insert Barb x Insert Barb | Threaded x Threaded | Threaded | 1-1/2" x 1-1/4" | 1-1/4" x 1-1/4" | 3/8"-5/16"-18 | 4" x 2" | 8" - 3" x | 20 ounce | 9.1" x 16.8"