Set of 3, Longer Life 596-354 Gator Fusion G5 3-In-1 Mulching Blades to Replace John Deere M127500, M127673, or M145476. Made in USA Set of 3 Blades, Quality Gator 596-354 "Fusion G5" Mulching Blades Replaces John Deere Blades Part Number M127500, M127673, Or M145476 16-15/16" Long, 3" Wide, .203" Thick, 13/16" Mounting 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