The Walthers SceneMaster Chemical Tank Trailer is an HO Scale replica of trailers which are common sights on highways and in industrial areas. They're used for transporting critical liquid bulk cargo across North America. These detailed HO Scale models replicate modern equipment used to haul chemicals, fuel, and food-grade products - perfect for bringing added realism to your layout's roads, industrial plants, and distribution centers. SceneMaster Tank Trailers are ideal for adding realism to your highway semi truck rigs.