An aluminum post sleeve allows you to plan ahead of time for the displaying of sign posts. The direct burial post mounting sleeve is fabricated to fit 3-inch (outside diameter) poles. Bury them in the ground or use cement to secure them in place. Once installed, you can simply slide your post into the sleeve. Install the sign post sleeve as you complete other projects. Easily switch out signage posts as needed, which provides versatility. Our post sleeves are made from sturdy yet lightweight aluminum. They are then powder-coated in order to resist rust or corrosion from constant exposure to the elements. This provides years of use without any evidence of damage. These sleeves have a 30-inch height and support 3-inch posts. For other sizes, browse our selection of sign post sleeves or inquire about custom sizing.