The Channel Master CM 1850 is a 50 foot long, 18 gauge, high quality galvanized telescoping steel mast used for TV antenna mounting, as well as other antenna and specialty applications. The mast is weather resistant, strong and durable and comes with guy rings, mast clamps and platform pins making it ready to install. Channel Master recommends using guy wire for all antenna installations using masts over 10 feet. Comes in five 10" segments