Feature a Lifetime Warranty against rust and corrosion. Carbon Steel C1022. They are the only deck screw certified by Rust-oleum. Type 17-point for quick penetration. 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. Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!