The Armadillo Surface Mount Post measures 16" high and is intended for mailboxes that will be bolted on TOP of existing or newly poured concrete.  

Due to material shortages around the world, the posts materials are changing depending on what is available. We are offering the Aluminum Square Posts and also Steel Round Posts. This is honestly based on what is available from manufacturers. 

Posts are offered in Aluminum and Stainless Steel material to best fit your specific installation needs. 

Aluminum Posts: 

• Constructed of .125 Aluminum
• Measure 4" square
• Recommended for damp climates due to its resistance to rust.  
• Include 1/2" aluminum top plate and base plate

Stainless Steel Posts:

• Constructed of 14 gauge round stainless steel
• Measure 4" diameter- round
• Powder coated to match any Armadillo®
• Recommended for damp and freezing climates as they are the MOST weather resistant
• Include 1/4" stainless steel top plate and base plate