Eb-Ty Original 500 Piece Kit - EBTYs & Screws - for Woods & Composites Easy to Install Hidden Fastener System Clips & Stainless Steel Fasteners Included. For Use with 3/4" & 5/4 Deck Boards Great for Ipe (and other hardwoods), Cedar, Redwood Great for Composites, PVC and Capstock Decking