2.1 lbs. – 1.0 Kg; 346 ft.lbs - 470 Nm of maximum torque in reverse; 4 1/4 in – 107 mm length; Jumbo hammer mechanism; Steel motor; Aluminum clutch housing; Composite housing with curved handle with Thermo-Plastic Rubber injected; S2S: 1 hand Forward – Reverse operation; New power setting system: 1 hand-operation behind the trigger; 2 positions in reverse: max and lower torque; 2 positions in forward: max and low torque; Socket retainer ring; Full teasing trigge