20 ft. Commercial Grade Aluminum Flag Pole20 ft. Commercial Aluminum Flag Pole with 5 in. Butt diameter, 3 in. Top diameter and .188 in. Wall thickness. These flag poles are provided with 6" ball ornament, revolving truck, solid braided nylon halyard, chrome plated cast bronze snaps with vinyl snap covers, 9 inch cast aluminum cleat, flash collar and foundation sleeve. Recommended flag size is 5 ft X 8 ft. Eder Part Number EC20 Concord American Part Number ESR20D51.