These high-quality decking screws are perfect for use with the Kreg Deck Jig or as a general fastener for a wide variety of deck projects. Protec-Kote features three anti-corrosion layers chemically-combined to provide strong protection against rust and corrosion in many common outdoor applications. Perfect for ACQ-treated lumber. This kit includes 525 Protec-Kote Deck Screws. Also includes KTX Square driver bit.