Rotary 11478 Blade Replaces: Cub Cadet 742-04015, 759-04019 Length 16 1/4"; Center Hole 3/4"; Width 2 1/2"; Thickness .204" Fits: Cub Cadet 1500, 1529, LT1045 and LT1046; requires 2 of 11478 outer blades and 1 of 11476 for 46" deck