FASTENMASTER
Cortex No. 10 X 2-1/2 in. L Vintage Lantern Torx Ttap Button Head Hidden Deck Fastener
Mfr # CTXCL-TX1LFTSVL. The FastenMaster Collated Cortex hidden fastening system is the fastest easiest way to hide fastener heads when installing Trex decking. The Cortex hidden fastening system is the fastest easiest way to hide fasteners in composite capstock and PVC decking boards - Now it's 50% faster. Cortex can hide screws on stairs perimeter boards and more.