FastenMaster 5916481 Deck Screws and Plugs Kit Cortex 2-3/4" L Torx Ttap Star Head Pebble Gray The cortex hidden fastening system is the fastest, easiest way to hide the heads of your deck screws on market leading deck board types. Set the screw, set the plug and you're all set. Cortex offers a strong connection between the deck board and the joist and can hide fasteners across the entire deck first and last board, perimeter and stairs. All screws, plugs and setting tools are included in every box. Features Traditional through fasten board to joist Connection less expensive than hidden fasteners Set the screw set the plug you're all set Setting tool sets screw at proper depth Gently tap plug into hole flush with surface Also tested and approved for ACQ and copper azole Pressure treated lumber Includes 350 screws/400 plugs 224 Per Box Specifications Length: 2-3/4 in. Drive Style: Torx TTAP Head Type: Star Head Finish: Pebble gray Material: Stainless Steel Container Size: 224 per box Thread Type: Coarse Self Tapping: Yes For use with composite deck material Country of Origin: Taiwan Weight: 2.9 lbs Head Type Star Head Each Weight 2.900 LB Self Tapping Yes Product Type Deck Screws and Plugs Kit Self Drilling Yes Length 2-3/4" Packaging Type Boxed Thread Type Coarse Sub Brand Cortex Drive Style Torx Ttap Color Pebble Gray