Includes (2) 596-900 Mower Blades. New, Bulk Packed. Genuine OEM replacement part. Consult owners manual for proper part number identification and proper installation. Compatible with: AYP: 127843, 131323, 133128, 134149, 138498, 138498MS, 138791, 138791P, 138971, 139775, 139775MS, 139775P, 24676, 422719, 532127843, 532131323, 532138498, 532138971 POULAN: 532-134149, 532134149, 532-139775, 532139775 SEARS: 127843, 131323, 138498, 138791, 138971