This center hex nut is a genuine MTD part, sold individually. This center hex nut can be used as a replacement part in lawn mowers, snowblowers, tillers, leaf blowers, edgers, log splitters, and wood chippers. The purpose of the center hex nut for one of these small engine outdoor appliances is to work in conjunction with a bolt to provide a fastening component for one or more parts within the internal mechanisms of the appliance.The center hex nut might need to be replaced if the small fastening component is lost, misplaced, or damaged within the typical lifespan of the small engine outdoor appliance in which it has been installed.This component is a genuine OEM replacement part sourced directly from the manufacturer. It is sold individually. This center hex nut is compatible with the following outdoor appliance brands: MTD, Craftsman, Cub Cadet, Troy-Bilt, Husky, Yard Machines, Huskee, Montgomery Wards, Yard Man, and MasterCut.