Twin hammer rear exhaust. - Twin hammer impact mechanism for smooth torque transfer and low vibration. - Cylinder special eccentric design for more output power. - Built-in 3 position air regulator for greater job versatility. - Composite material housing, Aluminium front housing for lightweight. - Soft Rubber grip for extra comfort & control. - Bottom handle exhaust for working surface protection.SpecificationsSquare Drive: 1/2Capacity Bolt Size: 5/8 (16mm)Free Speed (RPM): 7000Working Torque: 1000t-Lb (1350N.m)Air Inlet: 1/4Air Hose: 3/8 (ID)Avg. - Air Consumption: 7cfm (198 1/min)Sug. - Air Comp: 3 (HP)