This mulch blade set is designed for 72" mower decks and is compatible with serial numbers 2015425347 and above, providing enhanced mulching performance. It includes three durable blades that finely chop grass clippings, promoting faster decomposition and a healthier lawn. As genuine Ferris parts, these blades ensure long-lasting reliability and consistent results, even with frequent use. The set offers an easy replacement to improve your mower’s mulching capabilities for a lush, green yard.