Husqvarna 580244002 Lawn Mower Blade Replaces: 580244001, 532446784, and 446784 Fits Husqvarna: HU775H, HU700F, HU800AWD, HU725F, HU775H; Craftsman: 917375923, 917375922, 917375921, 917375920, 917375451, 917375450, 917255503, 917255502, 917254591, 917254572, 917254571, 917255540 Genuine OEM AYP Part American Yard Products manufactures parts and equipment for leading brands in the industry. Those include Craftsman, Husqvarna, Poulan Pro, Poulan, Weed eater, Roper, Sears, Rally, EHP (Electrolux Home Products) and Yard Pro