The Deck-Drive DWP Wood SS screw is a powerful fastening solution for deck, dock and general exterior applications where extra corrosion protection is needed. With its specially designed sharp-point and unique box-threads, the DWP is ideally suited for the majority of wood used in today’s deck boards. DWP screws are also offered in a variety of sizes to fasten fascia and trim. Deck-Drive™ DWP WOOD SS Screw — #10 x 3-1/2 in. T-25, Flat Head, Type 305 (1000-Qty) (Pack of 64).