The Pro Plug System for Azek Decking - 350 Pack is a superior and easy-to-install plug fastening system for Azek Decking. With the epoxy coated or stainless steel fasteners, it gives builders the ability to choose the right screw for a wide variety of applications. Azek Acacia, Azek Kona and Azek Morado now have Alloy Armour Technology to provide outstanding weather protection, UV protection, resistance to scratching, and improved colorfastness. The system features the PVC Tool (which drives screws to the correct depth without stripping the screw recess or damaging the deck board surface), star drive fasteners in both epoxy coated carbon steel and stainless steel (Grade 305 and Marine Grade 316), and plugs made from actual deck and trim material. When using the PVC Tool, the fasteners create a perfect hole for the matching plug, without pre-drilling.