The Walthers Cornerstone 933-2966 HO Structure Kit Hulett Unloader is a detailed plastic model kit of industrial equipment designed for model railroads. With a scale of 1:87 and a theme of transportation, this kit is perfect for hobbyists aged 17 years and up. The unloader is compatible with buildings and is a great addition to any HO gauge railroad layout. Built by Walthers, a well-known brand in model railroads, this kit offers a realistic touch to your train layout with its authentic design and high-quality construction.