Features: * Used to secure post to existing concrete or wood floor * Secured to floor with either 1/2-inch bolt or concrete nails * For heavy-duty applications, use nails and bolts together * Slotted bolt hole in base provides adjustability during installation * Stand off plate keeps post above floor level to prevent water and other water related damage * Stand off plate is made of 12 gauge galvanized steel * Base is made of 16 gauge galvanized steel * 4 inch x 4 inch size What"s In The Box: * USP Lumber PA44-DP 4-Inch X 4-Inch Adjustable Post Anchor