The Ferris Mulch Kit for the 500S model with a 61" XT deck includes a mulch plate, blade set, and necessary hardware for easy installation. It transforms your mower into a high-efficiency mulching machine, eliminating the need for bagging. The precision blades finely chop grass clippings, returning nutrients to the soil for a healthier lawn. Built for durability, this kit ensures long-lasting performance under tough conditions.