Composite handle exhaust/twin hammer with 10,000rpm (free speed) Forward 3 speed, reverse 2 speed Max torque 1356Nm/1000 ftlbs, Working torque 950Nm-1020Nm Air pressure 90psi, air consumption 54cfm Sound pressure level 931 DB(a), Sound power level 1047 DB (a) Vibration level 57m/sec Weight 202 kg, length 193mm, Hose 10mm with 1/4″ inlet, lightweight/high torque