Milwaukee 9081-22 14.4-Volt Ni-Cad Cordless 1/4-Inch Hex Driver Powerful - Delivers up to 740 in. lbs. of torque Lightweight - allows the user to work longer with less fatigue Durable - equipped with a heavy-duty, die-cast, aluminum gear housing for extreme durability Hard hitting - produces up to 2500 impacts per minute Limited warranty