We have Milwaukee 5387-22 8.5 Amp 1/2-Inch Hammer Drill with Product Detail 1/2-inch dual speed hammer drill with an 8.5 amp motor that provides overload protection Dual speed motor optimized for concrete fastening: 1-1,000 rpm, 0-16,000 bpm; 0-2,500 rpm, 0-40,000 bpm Metal gear case can withstand daily jobsite abuse Includes depth gauge, side handle, carrying case Weighs 6.4 pounds; 14-3/4-inch long; 5-year limited warranty . The "Milwaukee 5387-22 8.5 Amp 1/2-Inch Hammer Drill" is best product for you. We recommended Milwaukee 5387-22 8.5 Amp 1/2-Inch Hammer Drill