Product details:

With the Tiger Claw ProClip, you create a seamless, fastener-free surface with your AZEK PCV decking material. The ProClip is made from heavy gauge stainless steel with a black oxide coating that is approved for use in salt water applications and ACQ or chemically treated lumber. These Tiger Claw Hidden Fasteners are recommended for use with cellular PVC decking no less than 1 inch thick. These materials experience very little expansion and contraction with normal conditions and care.