The K-Tool International 3/4" Torque Multiplier, No. KTI72190, offers a 3/4” drive input (maximum 730 ft/lbs) and a 1” drive output (maximum 2,200 ft/lbs). This tool provides the operator with nut-turning power that requires only a fraction of the force required when using conventional tools, according to the company. The KTI72190 increases the torque range three to one and it comes in a plastic, blow molded storage case. This tool has a 1 year warranty.