John Deere M145516 Mulching Mower Blades, Set of 3 are expertly crafted lawn mower blades made from a durable blend of carbon and boron, delivering exceptional hardness for a long-lasting sharp edge without breakage. This set includes three John Deere Equipment Manufacturer (OEM) blades, ensuring reliable performance and compatibility with your John Deere mower. Designed to provide efficient mulching, these blades help maintain a healthy lawn by finely cutting grass clippings. For assistance in finding the right John Deere parts or accessories, specialists are available Monday through Friday, 8:00 AM to 5:00 PM (EST). Hartville Hardware ensures accurate part recommendations sourced from systems, though compatibility may vary as manufacturers update their products. Model Number: M145516