5/8 x 4 Steel Swedge Tube Radius Rod Trailing Arm Strut 5/8 x 4 Steel Swedge Tube Radius Rod Trailing Arm Strut img{max-width:100%} 5/8" X 4" Steel Swedge Tube Ideal for trailing arms, pull bars, torque arms, pan-hard bars, Strut Rods & adjustable upper a-arms.