2 1/2″ Spiral HDG Nails 5LB from Canada Fasteing Crop are designed for use in demanding construction applications. The nails are made from high-quality materials and are hot-dipped galvanized to ensure maximum durability and protection against rust and corrosion. They feature a unique spiral shank design that provides superior holding power and reduces splitting, making them ideal for use in pressure-treated lumber, decking, and other outdoor applications. The 5LB package makes them perfect for small to medium-sized projects.