Extra-low vibration level for reduced operator fatigue. Dual purpose for ?Rotation Only? and ?Rotation with hammering?. Built-in torque limiter stops bit rotation when hitting reinforcements. Industrial strength keyed chuck. Features a built-in LED job light. Continuous rating Input : 720W No load speed : Hi : 0-2,900;Lo : 0-1,200 Power supply cord : 2.5m (8.2ft) Overall length : 362mm Capacity : Concrete : 20mm (3/4");Steel Hi : 8mm (5/16");Steel Lo : 13mm (1/2");Wood Hi : 25mm (1");Wood Lo : 40mm (1-9/16") Impacts per minute : Hi : 0-58,000;Lo : 0-24,000 Standard Equipment : Chuck Key, Grip Assembly, Depth Rod.