C-Deck Composite Star Drive Deck Screws, #10 x 2-3/4". Trex ® approved Fastener- (Great for all composites) Use T20 bit and conveniently packaged in a reusable bulk container of 350 piece count. Head color is Desert Bronze and Includes one "Free Bit". Designed to handle the toughest composites, wood, PVC and any decking application. The trilobular shank gives the fastener a quality easy drive. Also, the reverse threads are designed to eliminate composite "mushrooming" leaving all applications with a professional smooth finish. Color coated pancake head fastener with an extra sharp drilling point to eliminate predrilling. Approved fastener for Trex ® Transcends and Enhance lines, but works wonderfully in all composite and decking applications. Color matched E-Coat finish has shown over 1000 hours of corrosion resistance in both salt spray testing and treated lumber. Comes in additional 16 colors to match most composites on the market today. Each container will complete approx. 100 sq. feet of decking on 16" centers.