DVT1007 Features: * In ground post for post / column mount * Tamper resistant mounting systems * Hidden fasteners * Meets U.S.P.S. standards * Perfect accompanying piece for your dVault purchase * Sure to support your delivery vault and hold it up just as securely as it will your expectations Construction: * Constructed of heavy-duty, 10 gauge aluminum Dimensions: * Top mounting plate dimensions: 14.5"" W x 14.5"" D * In-ground post dimensions: 30"" H x 4"" W x 4"" D