One New Aftermarket Replacement Mulching Mower Blade Fits Mtd Push Mower Models:11A-A0S5731, 11A-A22J700, 11A-A24T055, 11A-A24Z255, 247.37117 (11A-A28H299), 11A-B04A897, 11A-B0Sd731, 247.374330 (11A-B21K799), 11A-B22J731, 11A-B22Q704, 11A-B23M759, 11A-B24A000, 11A-B24A059, 247.38908 (11A-B28L099), 11A-B29Q701, 11A-B2J1731, 11A-B2K7231, 11A-B2M7001, 11A-B2M7004, 11A-B2M7031, 11-B2M7059, 11A-B9Bg729, 12A-469R090, 12A-469R090, 12A-978Q597, 12A-986Q795, 12A-989Q710, 12A-997A795, 12A-A03M700, 12A-A13J029. (Fits 21" Decks)