Drill Hammer Vsr 1/2In 8.5A Motor provides overload protection. Metal gear case can withstand daily jobsite abuse. Lightweight balanced design reduces operator fatigue. Dual speed motor optimized for concrete fastening. Specs: 120 AC, 0-16,000/0-40,000 bpm no load, 0-1,000/0-2,500 r pm no load speed, capacity in: steel- 1/2", concrete- 3/4", 10 ft. Quik-Lok cord, and weighs 6.4 lbs. Includes side handle, depth gauge, chuck key and carrying case.