Tamko. Create a smooth deck surface with EG 1-2-3 Hidden Fasteners. Designed in cooperation with TigerClaw for use with EverGrain composite decking, the fasteners feature an anticorrosive steel coating and can be installed with traditional tools. EG 1-2-3 Hidden Fasteners protect against wind uplift, and reduce the bounce and squeak sometimes found with other hidden fasteners, the maker says. For use with EverGrain 1-by-6- and 2-by-6-inch deckboards. 800.253.1401. www.evergrain.com.