Oregon 21-in Deck Mulching Mower Blade for Riding Lawn Toro, Lawn-Boy, and Exmark lawn mowers with 21" decks: part numbers 133-8182-03, 133-8183-03, 108-0954, 108-0954-S, 108-0954-03 length 20-7/8" width 2.25" center hole 7/16" round

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Replaces OEM blade for Toro, Lawn-Boy, and Exmark lawn mowers with 21" decks: part numbers 133-8182-03, 133-8183-03, 108-0954, 108-0954-S, 108-0954-03; length 20-7/8" width 2.25" center hole 7/16" round
Compatible Mowers: 21" models from Toro (2018+), Lawn-Boy (2005+), and Exmark
Gator Mulching Blade: Patented high-lift design recirculates cut grass under mower deck to be recut into finer clippings that fall back into the soil, providing a natural fertilizer and reducing the time needed to rake and bag