The K-Line ATSF Santa Fe Black Bonnet Midnight Chief K4630 4 Car 18′ Passenger Set is a pre-built aluminum and diecast model replica of Santa Fe passenger cars, manufactured in 2005. With a sleek black color and a theme of transportation, these O gauge cars are ready to go on a three-rail system. The set includes four cars and is branded by K-Line, making it a desirable addition to any model railroad collection for enthusiasts of railroads and trains. This set has been gently run.