Fastenmaster 3 in. GuardDog® Exterior Wood Screw, 75-Pack exceptional performance for your outdoor woodworking projects. These 3-inch screws feature a TORX® ttap® Drive System that ensures a secure, wobble- installation with stick-fit. for a wide range of exterior wood applications, including pressure-treated decking, railings, stair stringers, deck frame blocking, dimensional headers, and pergolas, these screws deliver reliable strength and durability. They are fully tested and for use in pressure-treated lumber, cedar, redwood, and chemically treated wood. Designed for a clean, finished appearance, the screws include nibs under the head and a UV-resistant coating that resists fading and chalking. GuardDog® screws are easy to install, equipped with aggressive threads for strong holding power and a sharp type 17 point that speeds up installation. For added convenience, a standard T25 TORX® driver bit can be used if needed. It is to install two fasteners per deck-to-joist connection, with predrilling advised only when fastening within 1-1/2” of the end of a board or when working with hardwoods. Model Number: FMGD003-75