Ergonomic ProTouch grip provides maximum torque and comfort. Slip-resistant grip. Internal storage keeps bits and nut setters locked in place and close at hand. 9 bits and nut setters for use on a variety of fasteners and nuts. 3/8"/5/16" nut driver, 1/4" nut driver, 3/16" slotted/#1 Phillips, 1/4" slotted/#2 Phillips, #1/#2 square bit.