The MTD OEM-190-116 Lawn Mower Mulching Kit is designed to enhance mowing efficiency by converting compatible 38" and 42" cutting decks into effective mulching systems. This kit includes a mulch plug and specialized blades to finely chop grass clippings and return them to the lawn, providing natural fertilization and reducing the need for bagging. Installation is straightforward, allo... https://www.wholetoolbox.com/mtd-oem-190-116-lawn-mower-mulching-kit-38-x-42-cutting-decks