The Standard "round" hidden deck fastener is the most economical due to it does not utilize a stainless steel insert. This hidden deck fastener works with air-dried lumber including composites and thermal woods. It features an integrated spacer leg for 3/32" (2,4mm) board gaps. The DeckWise® Ipe Clip® Hidden Fastener Kit may be ordered in special variations of quantities such as 100 and 175 count boxes or 525 and 1050 count contractor buckets. #8x2" 305 grade stainless steel screws come standard. Decking screws can also be customized in your desired screw length, head color or screw style.