Porter-Cable®, PC70THD, Hammer Drill, Tool/Kit: Bare Tool, 1/2 in Chuck, Keyed Chuck, 52700 bpm Blows per Minute, 0 to 1100 rpm, 0 to 3100 rpm Speed, 2 Speed, 120 VAC, 7 A, Plastic Housing Material, Pistol Grip/Side Handle, 6 ft Cord, Variable Speed Reverse Trigger Switch Control, Yes Reversible, 14 in Overall Length