Decking nails are used for patio and deck construction and a wide variety of exterior applications. The Pro-Fit decking spiral shank nails for ease of penetration and optimum holding power. Brand Name: Pro-Fit Length: 2-1/2 in. Nail Type: Deck Finish: Hot-Dipped Galvanized Product Type: Nail Head Type: Flat Head Container Size: 5 lb Color: Gray Indoor or Outdoor: Outdoor Point Type: Diamond Point Packaging Type: Boxed Shank Type: Spiral Shank Size: 8D Flat head diamond point spiral threaded to enhance holding power For use with all treated lumber