This mulch blade set is designed for 48" iCD and flat nose decks on mowers with serial numbers 2015355958 and above, featuring three high-quality blades for efficient mulching. The blades finely shred grass clippings to promote faster decomposition and improve lawn health. As genuine Ferris parts, they ensure durability and reliable cutting performance. The set includes blades only, making it an easy replacement to enhance your mower's mulching capability.