The Walthers Mainline 910-202 HO Scale Horizon Fleet Car Detail Kit is designed to replicate Amtrak and commuter rail prototypes with precision. It includes grab irons, stirrups, roof-mounted antenna details, and underbody components for enhanced realism. Ideal for customizing WalthersMainline Horizon cars, this kit adds depth and prototypical accuracy to modern passenger fleets and includes illustrated installation instructions.