Add a realistic variety of track sizes to your HO Scale layout with this WalthersTrack accessory, that smooths the transition to and from different sizes of rail. Perfect for yards and sidings, it comes fully assembled with prealigned sections of both Code 83 and Code 70 rail and features: Ties molded in realistic dark brown with enhanced wood grain detail Fine profile molded spike and tie plate details on each tie Spike-mounting holes positioned next to the rail Molded starter points on underside of ties for Track Nails (948-83106, sold separately) Custom formulated nickel silver rail for outstanding electrical conductivity Check out WalthersTrack and accessories here! Whether expanding your current layout or building a new one, check out these links for more information on the full range of easy to install and operate accessories in Walthers Layout Control System: See the entire system! Full Instructions