Maxpower 331030S 18 in Universal Lawn Mower Blade Replacement: * Fits most AYP, MTD, Murray, Sears, Snapper, and other mowers * All blades have 1 in center hole with a cover washer and 6 reducing washers in 3/8 in, 7/16 in, 1/2 in, 9/16 in, 5/8 in, and 13/16 in * Made in USA * 18 in * 9 lbs * Carded