FastenMaster Cortex 2.5 in. L Slate Gray Torx TTAP Star Head Hidden Deck Fastener 1050 lbThe 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 jois UPC: 608309424123 Manufacturer Part No: CTX300SFSG Sub Brand: Cortex Brand Name: FastenMaster Drive Style: Torx TTAP Head Type: Star Head Self Tapping: Yes Product Type: Hidden Deck Fastener Thread