Simpson 3-1/8" Beam, 4X Post, HDG End Column Cap ECC3 1/4-4HDGThe ECC is designed to provide strong column beam connections in end of beam applications in wood construction. The seat of the column cap provides an additional surface area of bearing that extends beyond the one side of the column. The ECC helps to distribute the load from the beam and provide support for the connection. Model No. ECC3 1 4 4HDG Description. 3 1 8" Beam, 4X Post HDG End Column Cap Material. 7 gauge Finish. Hot Dip Galvanized