Pneumatic tools Free speed: 7, 000 rpm Air average consumption:(25%) scfm: 4 Max torque n-m ft-lb: 312 230 Cluth type: rocking dog Bolt capacity mm in : 14 9/16" Exhaust: front Length mm in: 180 7.09 Weight kg lb:2.20 4.84 Air pressure: 90 psi 6.3kg/cm2 Air inlet: 1/4" 6 pcs/ctn 38.5*27.5*24.5 cm 16/15 kgs