John Deere UC22009 Mower Blades, Set of 3 are designed to provide a durable and sharp cutting edge for your lawn mower. These blades are crafted from a blend of carbon and boron, ensuring hardness that extends blade life and reduces breakage. This set includes three John Deere equipment manufacturer (OEM) blades, making it an excellent for part number M145476. Whether maintaining your lawn or replacing worn blades, these mower blades deliver reliable performance. For assistance in finding the right John Deere parts or accessories, support is available Monday through Friday, 8:00 AM to 5:00 PM (EST) by phone or email. Model Number: UC22009