【Superior Exterior Coating】: Tan coated exterior wood screws 2-1/2 inch through 1000 hours salt spray test against erosion and rust. These deck screws for exterior can be exposed to the sun, humidity, rain and snow condition for a long time. 【Star/Torx Drive】: Star/Torx drive deck screws with 6 contact points prevent stripping, save drive torque and further fasten screws into wood construction, eliminate loose or camout. 【Aggressive Thread + Self-tapping Point】: No pre-drilling, exterior decking screws with self-tapping point and coarse thread increase tapping power. Ideal exterior wood screws for treated deck, fence and other outdoor wood projects. 【Finger Protection Shank】: Smooth shank of deck screw protects your fingers from sharp threads, convenient for picking/holding wood screws up. 【Package】: #9 x 2-1/2" Deck Screws, 395 Pieces, Two T-25 Star Drive Bits Included.T. K. Excellent Deck Screws are arranged in a nice container for convenient storage with clear label for easy recognition.