DESCRIPTION: Square drive: 12.5mm(1/2″). No-load speed: 7000/min. Max. torque: 610Nm(450Ft-lb). Weight: 2.6KG. Twin hammer mechanism. With 3 pcs socket (17mm, 19mm, 21mm). With Europe type connector, USA type connector, Nitto type connector and Italy type connector. Air Consumption: 142.5l/min(5.0cfm). Air Pressure: 6.3bar(90psi). Length: 187mm(7.3″). Weight: 2.6kgs(5.7lbs). Air Inlet: 1/4″. Air hose: 3/8″.