Stens 335-822 Mulching Blade, Replaces Murray 471499 71499E701 44225 471113 71849E701 1101120E 701 471499Ma 671894-853 672735E 701 71113E701 1101120E 701Ma 4714493Ma 71499E701 Length 21-7/8-inch Center hole 3/8-inch Width 2-1/4-inch Thickness .164-inch