Product Details
The 3 Box Spreader Bar enables the mounting of three (3) Mail Boss locking security mailboxes on a single post, offering compatibility with Mail Boss mounting posts as well as most existing posts. Constructed from 12-gauge electro-galvanized welded steel, this spreader bar provides a robust multi-unit solution and features a durable powder-coated finish for added protection. The installation is straightforward, designed to accommodate Mail Boss, Package Master, or Mail Manager mailboxes. The kit includes all necessary hardware along with clear instructions for assembly.








