Bird barrier daddi long legs bird deterrent system, 6 ft. – dd-6000 daddi long leg’s unique design deters gulls, pigeons, and other large birds, from landing in open spaces such as flat roofs or air conditioning units, as well as on street lights and other hard-to-protect areas. features where to use: rooftops and other open areas like hvac units and street lights target bird: gull, pigeon or larger bird pressure: light – medium material: stainless steel and delrin plastic installation: delrin base is screwed to surface boat railing mount, boat base, sandbag base and magnetic bases are also available installation level: easy removable: center spindle can be easily separated from the base to access the area it’s protecting hard to see: its unobtrusive design allows for use in even high-visibility areas like shopping/walking promenades and parking lots humane: waving rods have plastic tips to prevent injury to birds and humans