Walthers Cornerstone HO Scale High-Voltage Transmission Towers are based on typical steel "high tension" electrical power line supports used across the continent. These tall towers will add realism to your railroad's skyline. The set includes four easy-to-build towers with molded-on eyelets for stringing wire (933-3344, sold separately). High-Voltage Transmission Towers are just part of the line of SceneMaster and Cornerstone HO Scale scenery details.