3mm Hidden Fasteners (100 Bag)

3mm Hidden Decking Clips Offering the most pristine finish with the smallest gaps between boards, our hidden 3mm composite decking fasteners closely align deck boards with no visible fixings. Securely attaching your composite decking to their composite decking frame, the fasteners maintain a consistent minimal gap between boards for the ultimate neat and professional-looking finish, and the narrow gap left by the fasteners also conceals the aluminium joist or composite joist from view while still allowing efficient drainage. Made of weather-resistant stainless steel to prev