John Deere M152726 Bagging Mower Blades, Set of 3 are designed specifically for 54" deck mowers, including models Z425 and Z445. These mower blades are crafted from a blend of carbon and boron, delivering exceptional hardness for long-lasting sharpness and durability without breakage. Each set includes three John Deere Equipment Manufacturer (OEM) blades, ensuring top-quality performance and reliability. John Deere rigorously tests their products to wear resistance and longevity, making these blades a dependable choice for maintaining your lawn mower’s efficiency. For assistance in selecting the right John Deere parts or accessories, customer support is available Monday through Friday from 8:00 AM to 5:00 PM EST. Model Number: M152726