Hillman 10 x 5 Galvanized Deck Screw, Dual Torq&Trade; Drive are specially designed fasteners that excellent resistance to corrosion, making them i for use in harsh outdoor environments. These galvanized deck screws are the preferred choice when working with pressure-treated lumber, ensuring a secure and long-lasting hold. However, they are not for use with cedar or redwood. Their dual Torq&Trade; drive provides enhanced grip and ease of installation, making your decking projects more efficient and durable. Model Number: