(2) PRO PLUG PVC Tool: The Tool drives screws to the correct depth every time in deck and trim applications. It features a No Cam-Out Auto-Stop mechanism that prevents the screw from stripping and a free spinning stop collar that protects the board surface Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. The Pro Plug System for PVC is a superior plugging system for PVC decking & trim. It combines screw-down strength with the beauty of a hidden fastener system. This kit is created specifically for scalloped deck boards. This kit includes a template used to mark the deck board in the thickest section. Predrill where you've marked with the included drill bit. Next, set the screw with the Pro Plug PVC Tool and tap in the Trex plug with a hammer. Pro Plug PVC Plugs are made from the original PVC material so they are a perfect match to your PVC decking & trim. The PRO PLUG PVC Tool drives fasteners to the correct depth every time. The No Cam-Out Auto Stop prevents screw recess from stripping. #10 x 2-1/2" - Star Drive Recess Type 305 Stainless Steel Covers 100 sq feet of decking or 250 linear feet of trim For use with the Pro Plug System for PVC/Composites