Grip-Rite PrimeGuard Max Star Drive Head Deck Trim Screw Features a Lifetime Guarantee against rust and corrosion. Certified Type #305 Stainless Steel. They feature a Torx Drive Head that virtually eliminates cam-out. Type 17 point for fast starts and minimized splitting. Packaged in a clean, neat plastic jar. Unique hinged lid allows for quick access to the fasteners. Durable packaging eliminates the crushed boxes and spilled fasteners that happen with traditional cardboard packing. Includes a Free Torx bit in each package. Coverage is approximate when installing 2 fasteners per deck board based on 16 OnCenter. Thread Diameter #7, Length 2-1/4 In., Drive Type Star, Head Type Trim, Material Stainless Steel, Finish Stainless Steel, Coverage 100 Sq. Ft., Bit Size T-17 Torx Bit, Pkg Qty 352, Package Type Jar Warning Cancer and Reproductive Harm. www.P65warnings.ca.gov