' Air Compressor Pump, Number of Stages 1, Synthetic Oil, 1, 2 HP, 6.7 Free Air CFM @ Max. Pressure, Max. Pressure 150 psi, Oil Capacity 32 oz., Number of Cylinders 2, NPT Outlet 1/2 In., Pump RPM 1200, Rotation CW, Groove Section A, Groove Quantity 1, Flywheel Included Y, Flywheel Dia. 10-1/8 In., Sheave Size @ 1725 RPM 6-21/64 In., Bore Dia. 2-1/2 In., Stroke Length 2 In., Cast Iron Construction, Powder Coated Finish, Valve Material Stainless Steel, Valve Type Disc '