Simpson Strong-Tie offers a wide variety of fasteners to meet the requirements for every project type. Their exterior nails provide powerful, corrosion-resistant fastening solutions to help make your outside living space as long lasting as the interior of your home. The preservative-treated wood decking nail is designed for use in deck and dock projects and features a long shank diameter allowing for easy installation into both green and seasoned preservative-treated pine. The annular ring shank of this decking nail provides increased withdrawal resistance for a longer life in your decking projects. Preservative-Treated Wood Decking Nail, Ring Shank — 3-1/2 in. x .148 in. Type 316 (25-Qty) (Pack of 4).