It is a genuine item that is supplied by the original equipment manufacturer for use with Skil jig saws. The guide roller is secured in the bracket providing support and allowing for movement with minimum friction. If the part is missing or is damaged, this will provide an identical replacement for the original component that was installe...Read mored on a new unit. Check the diagrams for your model to ensure the exact location and the correct repair procedure. Note, this high-quality guide roller is made of durable material and is sold as an individual item.