It is a genuine OEM supplied replacement switch assembly that is specially designed for use with Subaru/Robin engines. This part allows user to start the engine. This assembly includes the plastic switch with attached lead wires and it is sold individually. Please note the hardware to secure it is sold separately.
The screw attaches to the air cleaner cover and is made of metal. This is an OEM part sourced directly from the manufacturer and used in engines made by Subaru and Robin. This item is available as an individual replacement. A phillips screwdriver may be helpful when replacing this part. It will require replacing if it becomes broken or stripped.