John Deere M135589 Lawn Mower Blades, Set of 3 are crafted using a combination of carbon and boron to ensure exceptional hardness, providing a long-lasting sharp edge without breakage. These blades undergo extensive testing to wear resistance and durability, making them a reliable choice for maintaining your lawn mower’s performance. This set includes three John Deere Equipment Manufacturer (OEM) blades designed to fit a variety of 48" deck models including 316, 318, 322, 325, 332, 335, 345, 355D, 425, 455F525, F710, F725, F735GT225, GT235, GT242, GT245, GT262, GT275GX325, GX335, GX345, GX355LX172, LX173, LX176, LX178, LX186, LX188, LX255, LX266, LX277, LX279, LX280, LX288, and LX289. For assistance in finding the right part, John Deere specialists are available Monday through Friday from 8:00 AM to 5:00 PM EST. Model Number: M135589