Features: * Highly recommended for seaside applications and maximum corrosion resistance * Unique 4-corner thread-form with raised ridge technology greatly reduces driving torque * 6 lobe drive virtually eliminates driver bit cam-out * Self-countersinking nibs under head insure flush installation * Penetrate hardest wood products with ease, often without pre-drilling * Threaded approximately 2/3 up shank to tightly draw deck board to joist * Made of solid 316 stainless steel for maximum corrosion resistance * Will fasten 100 square feet of decking (6 in. boards on 16 in. centers) * 10 gauge x 2-1/2 in. length What"s In The Box: * Simpson T10250WPP 2-1/2-Inch 10 Gauge Flat Head Hardwood Deck Screw - 350-Pack