This post should be used for Rural and Wall Mount Letter Lockers that will be installed onto existing or newly poured surface level concrete.  

Aluminum:

• Constructed of 1/8" thick extruded Aluminum, grade 6061. 
• Surface Mount Posts include a 1/2" base plate and a 1/4" top plate
• Measure 4" Square  
• Recommended for dry to damp climates due to its resistance to rust. 

Please use the table below to find what post should be used for your setting.  

Printable 36" Surface Mount Aluminum Post Specifications

Letter Locker® Surface Mount Installation Instructions