Most Commonly used for Die-cast cars, Ships, Toy Car Brands like Matchbox & Hot Wheels most popularly, use this scale to describe their vehicles, although the actual scale of the individual models varies from 1:55 to beyond 1:100. For Model Railroading is is the same as S Scale. Also called 3⁄16 in. scale. Known as 25 mm figure scale in wargaming circles.