The HO Scale Bowser Trolley Roof Pole is a pre-built brass accessory designed for model railroads in a 1:87 scale. Made in the United States by Bowser, this trolley pole is compatible with model number 1-001250 and is ready to install on your train layout. Perfect for adding a touch of realism to your HO scale trolley cars, this high-quality brass pole enhances the overall look of your model railroad system.