Features: * Use for fastening into solid concrete * Corrosion resistant * 1 piece stainless steel expander clip * Supplied with nut and washer * Zinc coating * For normal exterior use * Not recommended for highly corrosive areas (salt spray) or treated lumber * Drill hole same size as anchor, inset anchor and tighten What"s In The Box: * ITW Fasteners 50093 Concrete Wedge Anchor 3/8 in. X 3-3/4 in. 9706458