Set of 6, Made in USA Blades to Replace Cub Cadet 759-3820, 742-3013 Blades, 54" Decks. Set of 6, Quality "Made In USA" Rotary blades. Has 3/4" round mounting hole. 18-1/2" Long, 3" Wide, .204" Thick. Replaces Cub Cadet blades 742-3013 or 759-3820