Simpson 6X Beam, 8X Post Hot-Dip Galvanized Column Cap CC68HDGModel No. CC68HDG Finish. Hot Dip Galvanized Beam Width (in.) 5 1 4, 5 1 2 Post Size 6x8 Dimensions (in.) W1 5 1 2 Dimensions (in.) W2 7 1 2 Dimensions (in.) L 11 Dimensions (in.) H1 6 1 2 Bolts Size 5 8 The CC is designed to provide strong column beam connections in wood construction. The seat of the column cap provides an additional surface area of bearing that extends beyond each side of the column. The CC helps to distribute the load from the beam