Factory-Reconditioned Milwaukee 5378-81 7.5 Amp 1/2 Inch Hammer Drill with Pistol Grip and Case Reconditioned Milwaukee Products have a one-year warranty through the Milwaukee factory or an authorized service center 1/2 Inch capacity; 7.5 amp motor Trigger speed control in two ranges: 0-1350 rpm, 0-22,000 bpm; 0-2500 rpm, 0-40,000 bpm; reversing Hammer with rotation or rotation only Self-stop brush system