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 4×4 standard mailbox post dimensions and also have pre-drilled holes for fitting securely over treated wooden 4×4 posts for deeper installations. An additional mounting bracket/adapter plate is not needed for mounting to Mail Boss branded mailboxes while it’s 4×4 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; 4×4 mailbox mounting bolt pattern
- Engineered to support up to 250 lbs. evenly distributed
- Includes mounting hardware and clear instructions
- Limited lifetime warranty
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