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" Packed by color box