We have 3 signpost hole sizes. They can be ordered with a square hole to accommodate a 1-¾” square perforated or smooth, square post with drilled holes. The square hole base will accommodate a U-channel post as well. We can also custom-fabricate square tubes to any configuration and powder coat any color. We also have sign bases with a round post holes to accommodate a 2-⅜” round Schedule 40 plastic post or aluminum post and a 1-⅔” round post. The round plastic 2-⅜” post is our most-popular signpost base.
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