Dual-torque motor optimized for concrete fastening with overload protection. 2-range trigger speed control: 0-1350 rpm (revolutions per minute)/0-22,000 IPM (impacts per minute) or 0-2500 rpm/0-40,000 IPM. Drill-only mode for wood, steel, and plastic. Hammer and rotation mode easily sets concrete screw fasteners and drills small holes for anchors. 2-speed gear box allows user to select correct drilling speed for material and accessory. Self-stopping brushes protect the motor and increases the life of the tool. Wood capacity 3-3/4" hole saw, metal capacity 1/2" twist bit, concrete capacity 3/4", selfeed bit capacity 1-3/4". Keyed chuck, trigger lock, and 10' cord. Includes depth gauge, side handle, and chuck key. 120 volts. 13" long, 6 lb. No. 5378-20: Chuck Size: 1/2", Amperage: 7.5A, Pkg Qty: 1, Package Type: Box