Upgrade your lawn mowing game with the Toro 146439 21 Mulch Blade. This top-quality blade, specially designed for Toro mowers, is the perfect replacement for your old worn-out blade. Enhance the mulching capabilities of your mower and achieve a cleaner, healthier lawn with ease. The Toro 146439 blade is built to last, providing superior cutting performance and durability. Say hello to a greener, more vibrant lawn with this essential part. Don't settle for less, choose the trusted brand and part number - Toro 146439 - for a flawless mowing experience. Transform your lawn and make your neighbors envious with this must-have mulch blade.