Product Details
The 3 Box Spreader Bar is designed to allow the mounting of three (3) Mail Boss locking security mailboxes on a single post, compatible with Mail Boss mounting posts and most existing posts. Constructed from 12-gauge electro galvanized welded steel, the spreader bar provides a robust multi-unit solution and features a durable powder-coated finish for enhanced longevity. The installation process is straightforward, enabling the easy setup of three Mail Boss mailboxes on one post, and it accommodates Mail Boss, Package Master, or Mail Manager models. The kit includes all necessary hardware and clear installation instructions.








