Deck Screw, Type Deck Screw, Head Type Flat, Finish Climatek(TM), Material Steel, Screw Size #10, Fastener Length Not Applicable, Drive Star, Drive Size T25, System of Measurement Inch, Application For Exterior Structures, For Fencing, For Multi-Purpose, For Interior and Exterior Remodeling, For Porches and Patios, Dimensional Standards ESR-3201, ICC-ES AC257, Features Fast Bite Tip, Precision Fit, W-Cut