Fastenmaster Cortex for Decks Hidden Fasteners - Trex Transcend Tiki Torch 100 Lin.ft FastenMaster Cortex for Decking Fastest, Easiest way to hide fasteners in composite, capstock or PVC deck boards TORX ttap Drive System 2-1/2" length screws Each 100 linear foot box includes 224 screws, 300 plugs and 2 setting tools