Power Pro 48634 Trim Screws, #9 x 4", All Purpose Wood, Deck, Composite, and Exterior Trim Screws, Rust Resistant, Bronze, 1 lb Box, 64 pcs Power Pro Premium Exterior Trim Screws with star drive are ideal for composite decking, wood decking and exterior trim. The Star Drive technology featured on these screws virtually eliminates camout for a smooth, effortless drive every time. redwood, and treated wood for the life of the project. Parts are recommended for use with treated lumber. Features VERSATILE: Ideal for composite decking, wood decking and exterior trim projects CORROSION RESISTANT: Bronze ceramic coat exceeds 1,000 hour salt spray test under ASTM B125 INSTALLS QUICKLY: 20 percent faster engagement with material compared to standard wood screws NO SPLITTING: 75 percent less wood splitting than standard wood screws USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.