The Walthers Proto 2000 F7A-B CB&Q Locomotive Set 920-40610 169-B is a highly detailed HO scale model of a locomotive from the CB&Q railroad. Produced by PROTO 2000, this locomotive set captures the essence of model railroads and trains, perfect for hobbyists and collectors. With its sleek design and accurate depiction of the F7A-B model, this locomotive set adds a realistic touch to any HO scale railroad layout.