Six (6) Pack Rotary Lawn Mower Blades Replace John Deere M127500 M145476 Requires (3) Blades For 48" Deck John Deere Windsor M127500 M145476 M127673 50-444 3 Blades Required for a 48" Deck Quantity: Pack Rotary Mower Blades manufactures high-quality, OEM replacement lawn mower blades