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Steel Post Base 4"x4" Mailbox Thick Base Plate Black Powder-Coated Fence Post Anchor Deck Post Base Surface Mount Base Plate for Mailbox Post Deck Supports Porch Railing Post Holders Mailbox Hardware :
Burgett metal works - Custom mailbox these are made out of 1/8 inch steel with a 4x4 beam welded on super heavy for all you people that keep getting you mailbox hit
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Mail Boss 7124 In- Ground Steel Mounting Mailbox Post, Wood Grain : Amazon.ca: Tools & Home Improvement
Can I use steel and cement to renforce my mailbox and prevent people from deliberately or accidentally knocking it over? - Quora
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