Product Details
The 3 Box Spreader Bar allows you to mount three (3) Mail Boss locking security mailboxes on one post, making it compatible with Mail Boss mounting posts and most existing posts. Constructed from 12-gauge electro-galvanized welded steel, this spreader bar offers a robust multi-unit solution and features a durable powder-coated finish. It ensures easy installation for three Mail Boss mailboxes on one post and accommodates Mail Boss, Package Master, or Mail Manager mailboxes. The kit includes all necessary hardware and clear instructions for assembly.








