5/16" x 6" Simpson Straight Shank Masonry Drill Bit - Carbide Tip, Pkg 25 Drop-In Anchors Enhanced Durability: The 1-inch standoff

Enhanced Durability: The 1-inch standoff design meets code requirements and helps prevent post rot

rust-resistant screws to securely fasten the boot to the roof

Simpson Strong-Tie SSTB Anchor Bolts are built to secure holdowns and shear walls to concrete foundations in demanding structural applications

316 Stainless Steel Construction: Maximum corrosion resistance for marine

This product is intended for use with Rough Cut 6x6 lumber but is also available in other sizes

5/16" x 6" Simpson Straight Shank Masonry Drill Bit - Carbide Tip, Pkg 25 Drop-In Anchors Enhanced Durability: The 1-inch standoffStrong Tie Titen masonry drill bits feature a durable carbide tip and are designed to be used with a 3 jaw style chuck to drill into concrete.