Want a fastener-free surface for your next deck installation? ?HIDfast is the fastest, easiest way to get a fastener free surface for a lasting, beautiful appearance. Patented, worry-free, stainless steel fasteners are collated for easy handling and quick loading. Patent pending pneumatic tool delivers precise, consistent, effortless, installation. HF3 3?? Deck Fastener per package has 175 fasteners will do 100 square feet of 6?? decking installed 16?? on center.