Collated Cortex For Composite Decking Timbertech/Azek Collated Cortex For Composite Decking is the perfect hidden fastener for Timbertech Legacy, Reserve, Terrain+, & Premier decking. Plugs cut from Timbertech deck boards blend in practically seamlessly, you'll have to look close to see them. Made by Fastenmaster for Timbertech/Azek, the Cortex Hidden Fastening System is one of the fastest, & easiest ways to hide deck screws. Includes TTAP Bits. Timbertech/Azek Collated Cortex For Composite: Available In Antique Leather, Ashwood, Coconut Husk, Dark Cocoa, Dark Oak, Dark Roast, Dark Teak, Driftwood, Espresso, Maritime Gray, Mocha, Natural White Oak, Pecan, Reclaimed Chestnut, Sea Salt Gray, Tigerwood, Weathered Oak, & Whitewash Cedar Plugs Collated In Plastic Strips For Easier Installation 100 Linear Foot Box Includes 224 Screws, 320 Collated Plugs, & 3 Bits 300 Square Foot Box Includes 1050 Screws, 1200 Plugs, & 6 Bits Plugs Cut From Azek Advanced PVC Deck Boards Collated In Plastic Strips For Easy Installation #8 x 2-3/4" Carbon Steel Screws TTAP Bit Setting Tool Drills Perfect Hole For Plugs ACQ Approved 25 Year Limited Warranty Cortex Installation Instructions