Achieve a flawless, fastener-free deck surface in less time with the Cortex Hidden Fastening System for TimberTech composite decking. Designed for both beauty and performance, this system uses collated strips of color-matched plugs made from actual TimberTech material to perfectly blend into your deck surface. The included depth setting tool ensures each screw is driven to the ideal depth, making installation smooth and precise. Once the screw is in place, simply insert the matching plug for a secure and invisible finish. With its strong, code-compliant hold and easy-to-use components, Cortex makes deck building faster, cleaner, and more professional than ever before.