Specification Air Pressure 6.5Kg/Cm2 (90 Psi) Model: Rp-17313 Grinder Cap : 1/4″ Free Speed : 25000Rpm Avg. Air Consumption : 3Cfm (85.5L/Min) Air Intel : 1/4’’Npt Sug. Air. Comp : 1.5Hp Air Hose : 3/8″Id Overall Length : 151Mm Net Weight: 0.32Kg