The Grip-Rite 16d 3-1/2” Spiral Shank Stainless Steel Deck Nails are durable and high-quality fasteners designed for various building and home improvement projects. Made of stainless steel, these nails offer excellent corrosion resistance and strength. With a size of 16d and a 1lb quantity, these nails are perfect for securing decking and other outdoor materials with ease. The spiral shank design ensures a secure grip, making them a reliable choice for any construction project.