134149 Replacement Blade for 42" Craftsman, Poulan, Wizard, and Husqvarna
21" used on 42" decks. Has a 5 point star hole and will mulch. Mulching results will improve considerably if used with the plastic mulch plate that covers the discharge hole. This blade can also be used with a bagger, provides slightly better lift than the original blade that came with the mower.