Upgrade your mowing experience with these heavy-duty replacement blades designed specifically for John Deere Z425, Z435, and Z445 models with 48-inch decks. This set includes three high-quality steel blades that are precision-engineered to fit perfectly with part numbers M145476 and M127500. Made in the USA, these robust blades deliver consistent, clean cuts across your entire 48-inch cutting path. The durable construction ensures reliable performance for your lawn maintenance needs. These replacement blades help maintain your mower's cutting efficiency while matching the original equipment specifications. Perfect for professional landscapers and homeowners who demand superior cutting performance from their John Deere riding mower.