Set Of 3, Heavy Duty Mulching Blades Replace MTD, Cub Cadet 742-0677, 942-0677, 742-0677A, 942-0677A, 742-0677B, 942-0677B Set of 3 Quality Heat Hardened Heavy Duty Mulching Blades made with high carbon steel Replaces Cub Cadet MTD: 742-0677, 742-0677A, 942-0677, 942-0677A. 18-1/2" Long, 3" Wide, .204" Thick, Used on 54" MTD Decks Fit 6-point Star Spindles (see photo) These blades mulch better that factory blades. See description below