The flagpoles with hinged base are made from 4 to 18 metres in height. It is the most popular method for fixing ground mounted flagpoles. A hinged base plate consists of an upper and bottom assembly. The steel tube on the base´s upper assembly bonded into the butt of the flagpole during manufacture. The bottom assembly is delivered assembled and consists of ground plate, cotter, pin, nuts, washers and anchor bolts. The upper assembly, ground plate, cotter, nuts and washers are hot galvanized. The anchor bolts are galvanized. The bottom assembly must be embedded in concrete foundation according to instructions.