5800NM Labor Saving Torque Multiplier Truck Trailer HD Lug Nut Wrench 1:68 Ratio Max Torque Output: 58090N/M (4278 Ft/Lbs) Trans-Speed Ratio: 1:68 2Pc Deep Impact Sockets (1-5/16" And 1-1/2") Material 40crMo Alloy Steel