Architectural Mailboxes 6200B-10 Oasis Classic Locking Post Mount Parcel Mailbox with High Security Reinforced Lock,Black,18.00 x 15.00 x 11.50 inches The Oasis Classic offers and oversized hopper door design with internal security baffle, extra-large locking lower storage compartment and modern styling. It is constructed of powder coated heavy gauge galvanized steel panels with stainless steel hinges for extra durability. The Oasis Classic protects deliveries with an enhanced locking system, pry-resistant lock bracket and Weather-Tite rubber seals. Do not overtighten nuts or it may damage the threaded studs Features Postmaster General approved and patented design allows delivery of mail bundles and small parcels - perfect for Internet and catalog shoppers Body constructed of heavy 16 and 18 gauge galvanized steel fully powder coated prior to assembly for durability and long life Doors include rubber seals to keep deliveries clean and dry - all hardware made from stainless steel and other corrosion resistant materials Suitable for installation into a pilaster or column - the entire outer shroud is one piece to resist moisture and the elements 18-Inch d x 14-Inch h x 11.5-Inch w, 23-Pound - Use Adapter Plate 7530-10 for 4x4 wood post installation USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.