DescriptionSquare drive:12.5mm(1/2″)No-load speed:7000 rpmMax.torque:610Nm(450ft)Weight: 2.6KGTwin hammer mechanismWith 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)