John Deere M113518 Mulching Mower Blades, Set of 3 are designed for mowers with a 54" deck and are crafted from a combination of carbon and boron to ensure exceptional hardness, a long-lasting sharp edge, and resistance to breakage. These blades undergo extensive testing by John Deere to durability and wear resistance, making them a reliable choice for maintaining your mower’s performance. This set includes three John Deere Equipment Manufacturer (OEM) blades, providing quality and precision engineered for optimal mulching results. For assistance in finding the right John Deere part or accessory, specialists are available Monday through Friday from 8:00 AM to 5:00 PM EST by phone or email. Model Number: M113518