300 Series Stainless Steel Deck Board Fasteners specially designed for composite deck materials by Tiger Claw. TC-3 Composite Decking Material Fasteners have a black oxide coating to better hide the fastener between deck boards. Build your next deck with Tiger Claw Hidden Deck Fasteners. Tiger Claws are a deck fastening system that provides a "nail free" surface that is fast and easy to assemble, durable and is an incredible value. With Tiger Claw fasteners all the installation is done on top of the deck, so it is easier and faster. Watch our Videos on Tiger Claw Products. Tiger Claw products have a 25 year warranty! Comes with screws for installation.