Powerful twin hammer action. 500ft/lb of power loosens the tightest of nuts with ease. Variable speed trigger & air regulator power control. Handle exhaust limits the circulation of brake dust on wheels. Clarke XPro air tools are a superb new range of top quality professional tools built for tough daily use in garages. 1/2" Square Drive. Max Speed 7000rpm. Max air pressure 6.2bar (90psi). Max torque 680Nm (500ft-lb). Air consumption on load (6.2bar) 18cfm. Average no load air consumption 6.5cfm. Variable speed actuation trigger and air regulator power control. Tough reinforced aluminium housing for increased durability. Heavy duty twin impact hammer mechanism. Exhaust under pistol grip handle. Requires 10mm bore hose.