3/8-24 RH + LH Weld In Threaded Heim Joint Tube Adapter Bung for 3/4 Dia by .058 Wall Tube Completely CNC machined 1045 Steel Set of LH and RH Tube Adapters Thread: 3/8-24 O.D.: 3/4" Fits 3/4" tube with .058" wall thickness