Plus, they extend up to 30 feet tall with just the press of a button or turn of a crank - making them incredibly convenient. It is used to represent the town’s identity and culture and serves as a navigational tool for sailors. They come in both manual and electric options, allowing you to choose the best option for your needs. Now it's time to start assembling your telescoping flagpole! This step is easier than you think: all you have to do is extend each section until they click together securely.