Our offering of heavy-duty Cast Aluminum Collars provide project owners the strongest and most durable collar offered in the industry today! Cast from Aluminum Alloy, these 1/4" thick cast collars are designed to withstand the harshest of environments. Offered in both 1-piece and 2-piece designs, they are perfect as either an upgrade to a new flagpole purchase or as a replacement or addition to an existing flagpole. I.D. approximately 1/8" wider than Butt Diameter.
Based on Butt Dia.: 5"