The Mail Boss 316 Stainless Steel In-Ground Mounting Post is constructed with 316 enhanced marine-grade stainless steel. The ultimate solution for corrosion resistance and uncompromising protection. 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.
316 enhanced marine-grade stainless steel
Pre-drilled holes; 4x4 mailbox mounting bolt pattern
Can also be used as a sleeve with a wooden post for deeper in-ground installations
Engineered to support up to 250 lbs evenly distributed
Compatible with all Mail Boss branded post-mount mailboxes
Includes mounting hardware and clear instructions
Limited lifetime warranty