Gator Fusion 3-In-1 Mulching blade to Replace John Deere M115496, M111532, M114582, M113518, M115329, M135590, M76467, GY20569 One Blade, Quality Gator 596-306 "Fusion G5" Blade. Order 3 for a set for 54" Decks Replaces John Deere M115496, M111532, M114582, M113518, M115329, M135590, M76467, GY20569 18-5/8" Long, 3" Wide, .203" Thick, 13/16" Mouting Hole Fusion Blades have Tungsten Carbide "fused" to the edge (see photo) for longer life Extended cutting length, blade is sharpened longer up the blade