Gibraltar Ironside Post Mount Mailbox Ironside Post Mount Mailbox, Black. The Ironside post mount mailbox excels in durability and strength. It's engineered with thick gauge, heavy-duty galvanized steel for maximum fortitude that's impact resistant and virtually indestructible. A sleek powder-coated finish adds shine and fights against rust and other weathering. The door is fastened securely by sturdy piano hinges and features a magnetic latch closure for optimal performance. This large mailbox offers space to easily handle high volumes of mail along with padded envelopes and small packages. Pre-drilled hole patterns on the sides and bottom offer multiple installation points. Mounting hardware is not included. Color Black, Material Steel, Lockable No, Width 7.8 In., Depth 20.3 In., Height 9.6 In., Capacity Medium, Weight 17 Lb., Warranty 90 Day, U S Postmaster General Approved Yes, Access Front Only, Pkg Qty 1, Package Type Box