The Mail Boss In-ground steel mounting post is constructed of heavy-duty 10/14-gauge galvanized steel with a durable commercial grade powder-coated finish for weather resistance. Mail Boss mailbox posts are designed with 4x4 standard mailbox post dimensions and also have pre-drilled holes for fitting securely over treated wooden 4x4 posts for deeper installations. An additional mounting bracket/adapter plate is not needed for mounting to Mail Boss branded mailboxes while it’s 4x4 bolt pattern will also connect to a variety of other mailboxes on the market. This sturdy curbside mailbox post should be installed approximately 12 in. into the ground with concrete and is engineered to support up to 250 lbs. evenly distributed.
Commercial grade, powder-coated finish for added durability and corrosion resistance
Designed for standard mailbox post installation in concrete
Compatible with all Mail Boss branded post-mount mailboxes
Does not require an additional mounting/adapter plate
Can also be used as a sleeve with a wooden post for deeper in-ground installations
Pre-drilled holes; 4x4 mailbox mounting bolt pattern
Engineered to support up to 250 lbs.
Includes mounting hardware and clear instructions
Limited lifetime warranty