Air impact wrench (AIW12562)

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"