ABU44Z, 4x4 Uplift Post Base Z-Max, High Load Capacity Adjustable Post Base, 2 Load Transfer Plates Are Included For A Secure Connection, 1", Standoff Reduces The Potential For Decay At Bottom Of Post Or Column, Made With 16 Gauge Z-Maximum Galvanized Steel Base & 12 Gauge Z-Maximum Galvanized Steel Strap, Install With 12 16D HDG Nails, Two 1/2" Diameter, HDG Machine Bolts & 5/8" Diameter, Threaded Anchor.