Maxpower 331905S 21 in Universal Mulching Blade: * 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 * 2-1/4 in wide universal mulching blade * Made in USA * 21 in * 10.85 lbs * Carded