3 Gator 3-In-1 Mulching Blades to Replace Cub Cadet 742-04068, 742-04068A, 942-04068, 759-04047. 3/4" Round Mounting Hole (not star) Genuine Gator blade, 20% harder steel for extended blade life All Oregon blades are austemper heat treated. 17 7/8" long, 2.75" wide, .164" thick. 3/4" round hole. Price is for Set of 3 blades