SIMPSON STRONG TIE CO,INC. T10350WPP 10x3-1/2 316SS T25 FLAT 250CT Deck-Drive DWP Wood SS screws are a powerful fastening solution for deck,dock and general exterior applications, providing extra corrosion protection. Features Quantity per box: 250 Use for decking, docks and boardwalks, finishing, millwork and trim applications Unique box thread design with raised-ridge technology greatly reduces driving torque Specially designed sharp point penetrates hard wood products with ease 6-Lobe drive helps prevent driver-bit cam-out, resulting in easier driving and longer bit life 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.