Grip-Rite Premium-Coated Combo Drive Exterior Screw Dec-Smart galvanized base with coated finish. Countersinking bugle head. Combination drive coarse thread screws with high corrosion-resistant, long life coating. Packaged in a 25 lb. plastic pail. The screw color is similar to the color of treated wood. Compliant for treated lumber. Type 17 drill tip drives into wood without pre-drilling. Thread pattern reduces wood splitting and friction. Drive Type Combination, Size #10 x 3-1/2 In., Material Steel, Head Type Bugle, Finish Galvanized, Approx. Coverage 436.8 Sq. Ft., Thread Diameter #10, Length 3-1/2 In., Package Size 25 Lb., Bit Size T-17, Pkg Qty 1400, Package Type Pail Warning Cancer and Reproductive Harm. www.P65warnings.ca.gov