OVERVIEW: Simpson Strong Tie FPBB44 E-Z Base 4x4 Post Base with Black Powder Coat Finish - Allows for easy installation of 4x4 wood posts on concrete. Attach the E-Z base to the existing concrete using suitable anchors. Secure the post to the base using double-barrier jacket or hot-dip galvanized SDS screws or lag screws (screws and anchors not included).