Square drive: 12.5 mm(1/2") No-load speed: 7000 rpm Max.torque: 610 Nm(450ft) Weight: 2.6 Kg Twin hammer mechanism Include 3 pcs socket (17 mm,19 mm,21 mm) With Europe type connector, USA type connector, Nitto type connector and Italy type connector. Air Consumption:142.5l/min(5.0cfm) Air Pressure: 6.2 bar(90 psi) Length: 187 mm(7.3") Weight: 2.6 kg (5.7lbs) Air Inlet: 1/4" Air hose: 3/8" Packed by color box