More product informationReplaces OEM numbers 742-04100, 742-0741, 742-0741A, 942-0741 and 942-0741AAlso fits Craftsman CMXGZAM100067Includes 1 mulching blade for many 21” cut MTD, Cub Cadet, Troy-Bilt and Craftsman mowersMeasures 21″ in length and 2-1/4″ in widthBow tie center hole designManufactured to meet or exceed all OEM specificationsCheck your owner’s manual to verify the OEM number of the blade being replaced matches one of the OEM numbers provided for this itemProudly made in USA ManufacturerWe proudly manufacture the following items at our state of the art facilities in Glennville, GA and Phoenix, AZ: Mower BladesEdger BladesTrimmer LineFoam and cartridge style air filtersManufacturing ProcessesHeat Treat Process for BladesHeat Treat Process for Mower BladesFoam Filter ManufacturingCartridge Filter LineTrimmer Line Extrusione in the USA Free Shipping Return window is 30 day after receiving the item