Salsbury Industries 4377D-BRZ Arm Kit Replacement for Deluxe Post for 1 Designer Roadside Mailbox, Bronze Replacement for mailbox posts #4370, #4372 and #4373 (short) Accommodate 1 mailbox Made of Aluminum Powder coated bronze Salsbury Industries is an ISO 9001: 2008 certified company and has excelled in the field of manufacturing since 1936