Each Reed Valve Kit Includes: 2 Intake Valves,2 Exhaust Valves,8 Mounting Screws.Reeds measure 1.969" X .688" Compatible Air Compressor Model Numbers Include: DeVilbiss Pump Reed Valve Kit KK-4275.Fits Many Blue-Point, Craftsman, DeVilbiss, DeWalt, Porter Cable, Sears & Many Others. Compatible Air Compressor Model Numbers Include: 919195412,919177510,919184192,919177550,919177540,919177520,919184191,919195411,919177541,919177560,919177511,919177551,919157251,919184260,919157151,919157150,919157010,919157050,919157250,919157140,919157011,919157031,919157051,919175262,919185430,919184160,919195414,919157260,919195410,919184190,919195400,919184170,919728000,919186950,919174320 919156780,919176950,919186430,919176841,919156680,919156610,919174110,919176931,919156631,919176120,919171250,919176620,919171251,919175100,919174410,919176431,919174211,919158220,919176110,919158210,919178541,919176050,919156620,919176940,919156880,919176930,919156881,919176230,919176951,919176330,919176830,919156630,919170250,919176311,919176921,919174111,919156521 919176990,919176720,919170230,919176740,919156580,919178530,919156641,919174310,919175260,919176730,919176850,919174311,919175951,919176820,919175950,919176310,919156621919156510,919178540,919178420,919176220,919174360,919158221,919176941,919174210,919178531,919175261,919156640,919156520,919158230,919176320,919178410,919176430,919176851,919175960,919156511