Simpson 4x4 Hot-Dip Galvanized Elevated Post Base EPB44HDGMB 50PkModel No. EPB44HDGMB Gauge. Base plate 12 Ga. W (in.) 3 9 16 H (in.) 2 5 16 L (in.) 3 1 4 Coating Material. Hot Dip Galvanized Fasteners required. (8) 0. 162" x 3 1 2" Nails These cast in place post bases provide a secure connection to the concrete and the code required 1" standoff to help prevent rot at the post end. Features: Connection Type: Designed to provide an elevated post base and cast in place into concrete. Lumber Size: Intended for use