Solid steel construction with chrome finish. Complies with safety specifications and requirements of VESC Regulations V-5. Hitch load rating must equal or exceed the trailer Gross Vehicle Weight rating (GVWR). Torque all 3/4 In. shank balls to 160 Ft./Lb. Torque all 1 In. shank balls to 250 Ft./Lb. Torque all 1-1/4 In. shank balls to 450 Ft./Lb.