If you are installing quality hardwood, composite or synthetic decking of any kind you are going to want it to be free of face screws. The Ultimate Hidden Deck Fastener System is the only hidden fastener that combines incredible holding power with incredible ease of installation. The solution in hidden deck fasteners. Finally a hidden deck fastener that requires no pre-drilling, uses a strong T20 "Star Drive" stainless steel screw, holds the decking much tighter than the plastic clips and allows for the inevitable movement all deck wood experiences. As a bonus our unique fastener installs in about the same time as pre-drilling and face screwing! (Patent Pending) Extruded out of 6063T5 marine grade aluminum, The Ultimate Hidden Deck Fastener System's unique shape allows it to grab both sides of the decking and actually hold it down like a miniature spring keeping your deck boards tight forever. The unique design works with all types of hardwood, composite or synthetic decking, whether pre-grooved or in biscuit jointer slots. Add in a T20 “Star Drive” stainless steel screw that virtually eliminates stripped heads and you have a combination that can't be beat at a cost that is no more than the plastic clips.