John Deere M41967 Standard Lawn Mower Blades, Set of 3 are designed for durability and precision cutting. These 46-inch mower blades measure 114 mm (4.5 inches) in cut length and are crafted from a combination of carbon and boron, ensuring a hard, sharp edge that resists breakage and extends blade life. Thorough testing by John Deere s excellent wear resistance and longevity. This set includes three John Deere equipment manufacturer (OEM) blades, compatible with 46" deck models F510 and F525LT166. For expert assistance in finding the right John Deere parts or accessories, support is available Monday through Friday, 8:00 AM to 5:00 PM EST. Model Number: M41967M