These hidden fasteners are the quickest and easiest way to hide fasteners on your composite deck boards. They offer a strong connection between your deck board and joists. These are 5-in carbon screws and the plugs come in the decking colors you can find here at Yard & Home. Comes in a pack of 224 screws, 300 plugs and 2 setting tools. It will install about 100 lineal feet.