Safety Ring for 4-1/2, 13.75 & 12.75 # Drill Pipe and 4-1/2

Safety Ring for 4-1/2, 13.75 & 12.75 # Drill Pipe and 4-1/2 OD, 3.958 ID, NU Tubing (Stamped 3-13/16) (6720)f/ Logan Full Circle Type Releasing Spear.