John Deere M119798 Mulching Lawn Mower Blades, Set of 3 are designed to deliver exceptional performance and durability for your lawn care needs. These blades are crafted from a special blend of carbon and boron, providing the balance of hardness and sharpness to ensure a long-lasting edge without breakage. Each blade undergoes extensive testing to wear resistance and longevity, making them a reliable choice for maintaining your mower. This set includes three John Deere Equipment Manufacturer (OEM) blades, compatible with a wide range of 44" mulching deck models including the 325, 335, 345, 355D, GT225, GT235, GT242, GT245, GT262, GT275, GX255, GX325, GX335, GX345, GX355, LX172, LX173, LX176, LX178, LX186, LX188, LX255, LX266, LX277, LX279, 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: M119798