MTD 46" Rider Blade Replacement Three-Blade Set. Fits all MTD 46-Inch Deep Decks 1997 & After. '2-in-1' Bagging & Side Discharge. Contains One 14 7/8-Inch Rider Blade(OEM-742-0645/742-0645/942-0645), & Two 16 9/32 Blades(OEM-742-0644/742-0644/942-0644), all With Star Center Hole.