This system allows you to face screw trex fascia while achieving a fastener free finish by completing the install with the introduction of a matching plug to conceal the fascia screw. The plugs included are for trex spiced rum fascia board. Must only be used for fascia, not regular deck boards. Fascia screws are shorter than deck screws and wider to allow for board explansion and contraction. Included screw are stainless steel for ultimate corrosion resistance and longevity. This must be installed using the pro plug system for fascia plug tool set.