Maximum mulching length. Replaces AYP 159267, 165833, 175064, 189028, 406706, 406712, 531300765, 531307235. Replaces Craftsman 159267, 175064, 189028, 406712, 580258101, 580258102. Boron Steel Double Bevel blade provides the perfect balance between durability & ductility.
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