Kimball Midwest offers a wrench that will take care of spline drive, hex head, 12 point, 50% rounded (stripped), female torx, square head, and even damaged hex head fasteners. The unique ratcheting system built into the head of each wrench provides faster and easier use. The non-slip open end feature provides increased safety and grips fasteners with damaged hex heads. This wrench also allows entry into tight fitting areas, while the 72-tooth design allows easy turning with short arc swing.