The MTD 196723678 is a genuine 48-inch (122cm) mulching device designed for 2010 and newer lawn tractors from MTD, Cub Cadet, Yard-Man, Yard Machines, Huskee, Bolens, White Outdoor, Gutbrod, Columbia, Mascott, Black Edition, and Mac Allister. This kit includes mulching blades, a molded plug, and all necessary mounting hardware to convert your lawn tractor deck for mulching operations, promoting healthier lawns by finely cutting and redistributing grass clippings.