This is an OEM part sourced directly from the manufacturer. The screw is commonly found in yard tools from Paramount, Poulan, and Weed Eater, such as trimmers, blowers, and chainsaws. 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 use...Read mored in the machine. Refer to the parts diagram to be sure of ordering the correct part. You will require a screwdriver when replacing this item. The screw is provided as an individual replacement part.