The Channel Master CM3092 is a heavy duty galvanized steel tripod mount, perfect for positioning your antenna on your patio, balcony, roof, or attic. The 3-foot tripod accepts mast up to 1.75 inches in diameter and comes equipped with leg holes for secure fastening to a roof. The CM3092 Tripod Mount comes pre-assembled for quick and easy installation. Antenna mast is required for off-air antenna installation