Hidden in the side of the board, Camo deck screws create a beautiful, fastener-free deck surface. Easy to install using either Marksman tool, Camo secures deck boards directly to the joist to reduce board movement and they back out easily in the event a board needs to be replaced. No pre-drilling is required and Camo deck screws come with a limited lifetime warranty that guarantees against rust and corrosion for the life of the project.Proprietary design, patent pendingA reverse rake tip removes deck material as it bores, allowing the screw to penetrate the board without splittingThe star drive offers more points of contact for better performance and reduces slippage and wearAggressive lower thread pattern provides superior holding power while the reverse upper thread pulls the board tight to the joist and provides a clean, finished entryUnique trimhead design provides a less visible point of entryProTech coated, 1500 hrs salt spray