Genuine Porter Cable replacement part, it is sold individually. The most poplar use of the 688860 Screw is to secure the base of the Router shown below. It is a flat head phillips screw. It is also used in various places of Plate Joiners and some of the Laminate Trimmers.
This replacement item is an authentic component which is supplied by the original equipment manufacturer for use with Porter Cable and Black and Decker routers. It is one of the special screws for the unit, please make sure to check the appropriate diagrams of your model for the correct location and application of this hardware. Keep in mind this high-quality item is made of durable metal and is sold individually.