Erva SB8SEC Pole Mount Scalloped Cone Baffle, Copper Tint, 18-1/2-Inch Pole mount scalloped cone baffle Collars are solid steel and can not be chewed Baffles are powder coated over fully galvanized steel sheet Clamp mount swing arm deck hanger is 27-Inch maximum height with a 44-inch reach Measures 18.5-inch diameter