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