This is a genuine replacement part sourced directly from the manufacturer. The hex bolt is commonly found in Honda small engines such as those used in lawn mowers. This part is made of metal, and is generally used in securing the starter assembly. Please be aware that there are different bolts used in the machine. Refer to the parts d...Read moreiagram to be sure of ordering the correct part. You will require a wrench when replacing this item. The hex bolt is sold as an individual replacement part.