Quality Oregon 3-in-1 mulcher blade to replace the 742-04053A, 742-04053B, 742-04056, or 742-04123 blade used on 50" Cub Cadet, MTD ZTR decks. Eliminates the need to bag in most cutting conditions, delivers excellent bagging performance when you need to bag, mows faster at higher speeds than the traditional mulching blade, has extended cutting area for improved cutting efficiency.