DEWALT D25012K 7/8-Inch Compact SDS Rotary Hammer Kit is designed with 1.8 ft-lbs. of impact energy which provides fast drilling application speeds. The 6.0 Amp motor provides high performance and overload protection: (0-1,550 RPM, 0-4,150 BPM). Drilling 4-22mm diameter anchor holes into concrete and masonry Impact stop for drilling in wood, steel, plastic and screwdriving applications Very compact design and low weight Variable speed switch for total control Same power in forward and reverse mode Low vibration level Mechanical clutch reduces sudden high-torque reaction should the bit jam Soft grip on main handle for comfort and safety 4m cord set Multi-position side handle Depth stop Heavy duty carrying case Power Input = 650 Watts Power Output = 300 Watts No Load Speed = 0-1550 rpm Blows per Minute = 0-4150 bpm Impact Energy = 2.4 J Max. Drilling Capacity [Wood] = 30 mm Max. Drilling Capacity [Metal] = 13 mm Max. Drilling Capacity [Concrete] = 22 mm Max. Drilling Capacity [Core bit] = 50 mm Weight = 2.3 kg Length = 325 mm Height = 210 mm Amps = 120V Amps = 220V Watts = 120V Watts = 220V Hand/Arm Vibration = 11.0 m/s2