Made from quality materials and manufactured in England. The back and front castings including the door and flap are probably available in English foundries from solid Lm6 grade aluminum. The internal compartment sleeve is made from sturdy zinged coated steel, and internal components are made from stainless steel or solid brass. For night life, most metal components are phosphate coated before being completed in a durable top quality low bake enamel surface. The castings have rubberized seals to make sure the mailbox of yours is completely waterproof. The lock is made from bad black colored polycarbonate. Features Mount through a masonry wall or fence, mail is delivered from the front side flap and retrieved from the back lockable secure access door Large capacity, secure mail storage with back lockable door provided with two keys Mount in masonry walls, columns or wood fences, Totally water-proof Castings exist in solid aluminum and top quality Specifications Color Black Size 18 Country of Origin England Weight thirty five lbs...