Square drive:19mm(3/4") No-load speed:4000 rpm Max.torque:1600Nm(1180ft) Weight: 6.0KG Twin hammer mechanism With universal connector. Air Consumption:256l/min(9cfm) Air Pressure:6.2bar(90psi) Length:234mm(9.2") Weight:5.9kgs(13lbs) Air Inlet:3/8" Air hose:1/2" Packed by color box