John Deere M163983 Standard Mower Blades, Set of 3 are crafted with a unique blend of carbon and boron to deliver exceptional hardness, ensuring a long-lasting sharp edge without breakage. This set includes three John Deere Equipment Manufacturer (OEM) blades, designed to maintain the performance and reliability of your lawn mower. Whether you need assistance finding the right John Deere part or accessory, specialists are available Monday through Friday, 8:00 AM to 5:00 PM (EST), to help you with any questions. Hartville Hardware strives to provide accurate recommendations based on reliable systems, although part compatibility may change without notice, so contacting customer support is advised if you are unsure about the part you need. Model Number: M163983