Solid steel construction. 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" shank balls to 160 ft./lb. Torque all 1" shank balls to 250 ft./lb. Torque all 1-1/4" shank balls to 450 ft./Lb.