Grip-Rite PrimeGuard Max Stainless Steel Deck Screws Features a Lifetime Guarantee against rust and corrosion. Certified type #305 Stainless Steel. The Star Drive virtually eliminates cam-out. Type 17 point for fast starts and minimized splitting. Counter Sinking Bugle Head. Packaged in a clean, neat plastic jar or pail. Durable packaging eliminates the crushed boxes and spilled fasteners that happen with traditional cardboard packaging. Includes a Free Torx bit in each package. Approximate coverage when installing 2 fasteners per deck board based on 16 OnCenter. Drive Type Star, Size #10 x 3-1/2 In., Material Stainless Steel, Head Type Bugle, Finish Stainless Steel, Color Stainless Steel, Approx. Coverage 100 Sq. Ft., Thread Diameter #10, Length 3-1/2 In., Package Size 352 Pc., Bit Size T-17, Pkg Qty 352, Package Type Jar Warning Cancer and Reproductive Harm. www.P65warnings.ca.gov