This item is a black, 1:87 scale wheelset for a two-rail system. It is made of brass and is ready to use as it comes pre-built. The power type is DC and it operates using an analog control system. This vintage item was manufactured in the 1980s and is suitable for children 7 years old and up. The unit type is a single item and the brand is PRECISION SCALE HO WHEELSETS NOS FREE USA SHIPPING. The corporate road name is also PRECISION SCALE HO WHEELSETS NOS FREE USA SHIPPING. This item features precision scale and is perfect for those interested in model railroads and trains.