Features: CarBole's 1100 lb-ft Torque Multiplier Wrench is used to tighten or remove nuts and bolts over and above the rated force a standard wrench can produce Perfect for differentials, suspension fasteners, lug nuts, frozen nut or bolt applications, and more - ideal for situations regular wrenches just can't handle Can also be used to accurately torque fasteners above the highest output of a torque wrench 1/2” Drive (1,100 ft-lb); 3.6 inch head width; 3.3:1 upscale conversion ratio; 15-5/8 inch long reaction bar; frictional gear loss = 6% .