Myard Universal Hidden Deck Fastener Clips for Grooved Edges of Composite Decking Boards to Joists, 1/4" Gap Spacing, with Square Driver Bit (100-Pack) - - Amazon.com
Amazon.com: Hidden Fasteners for Composite Decking Board, Composite Decking Clips & Plastic Hidden Fasteners with Screws, Universal Composite Deck Fasteners, 90 Per Box for 50 SQ.FT. : Tools & Home Improvement
FastenMaster VersaClip 1-in Black Clip Hidden Fastener 50-sq ft (90-Pack) in the Specialty Fasteners & Fastener Kits department at Lowes.com