#10 x 2-3/4" Simpson Strong-Tie Quik Drive DCU Collated Composite Decking Screws - Quik Guard Coating, Gray, Pkg. 1,000Simpson Strong Tie Deck Drive DCU Composite Screws are designed to deliver beautiful, long lasting results on all types of composite decking. Made with a special cap head that prevents mushrooming for a flush, clean finish, these screws eliminate the need to mix and match fasteners across different decking materials. With color matched options available for most major composite decking brands, DCU screws blend seamlessly into the surface for a