TimberTech Cortex Espresso Hidden Fasteners for PRO and EDGE, 100 Ln. the strongest hidden fastening system from TimberTech, designed to provide an ultra-clean and high-quality appearance for your deck. These fasteners come with color-matched plugs that blend seamlessly with your decking, enhancing the overall aesthetic. Featuring ACQ- specialty deck screws with a TORX ttap drive system, they ensure superior strength and durability. Unlike other hidden fastener systems, Cortex fasteners can be used across the entire deck surface, including stairs and perimeters, ing versatile installation options. Please note that these fasteners are compatible with all full-profile TimberTech deck boards except scalloped boards from the Terrain, Prime, Prime+, and Reliaboard collections. Installation requires predrilling with a 7/32" drill bit to pilot a hole halfway through the deck board without penetrating the framing. Cortex for PRO EDGE is not suitable for metal framing; for steel framing, separate Cortex Drillers must be purchased. This package covers 100 linear feet and includes 224 carbon steel screws and 300 plugs in the rich Espresso color, making it an excellent choice for a clean, professional deck finish. Model Number: CTX100LCE