Simpson #10 x 4-1/2" 316 SS Deck-Drive DWP Wood Screw, T25, Flat Head 1000 CtModel No. T10450WP Coating Material Type 316 Stainless Steel Screw Size #10 Length (in.) 4 1 2" Head Diameter (in.) 0. 34 Drive Type T25 6 Lobe Head Type Flat Head Thread Type Box Threads Point Type Sharp Point Color None Approx. Count per Lb. 43 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