This is an authentic replacement part sourced directly from the manufacturer. The screw is commonly found in Toro lawn mowers. This part is made of metal, and may be found in various locations in the machine, depending on model. Please be aware that there are different screws used in the machine. Refer to the parts diagram to be sure ...Read moreof ordering the correct part. You will require a wrench when replacing this item. The screw is available as an individual replacement part.