... ,Comapct and robust multi-function machine 2,Efficiency,reliable,tough, 3,Earth-friendly. Vacuum recovery and ... head weight1.08KgAbrasiveSteel grit, Alumina,Glass shot etc.Compressed air6m3/min,7Kg/cm³Capability of abrasive50LNozzle diameter6.5mm or 8mmAbrasive granule10 ...