QSC 1/2 X 1/2-20 Economy 4-Link Rod End Kit with Bungs .065 Wall, Rod End, Heim Joint 4 Right Hand & 4 Left Hand Rod Ends Specs: Body: C1045 Steel Heat Treated, Ball 52100 Bearing Steel Precision Ground Heat Treated, Bore: .500, Ball Width: .625, Thread: 1/2-20, Load Rating: 12.224 Jam Nut Specs: Thread: 1/2-20, Width: 3/4, Height: 5/16 Bung Specs: 1045 Mild Steel, Thread: 1/2-20, Fits tube Size: 1" OD X .870 ID X .065 Wall