5/8 x 12 Steel Swedge Tube Radius Rod Arm Strut IMCA 5/8 x 12 Steel Swedge Tube Radius Rod Arm Strut IMCA img{max-width:100%} 5/8" X 12" Steel Swedge Tube Ideal for trailing arms, pull bars, torque arms, pan-hard bars, Strut Rods & adjustable upper a-arms.