The Rail Tracker cleaning tool actually follows the track and hugs the rail while you clean. This tool makes it easy to clean hard to reach areas like inside tunnels, around structures and under power lines. Kit includes all you need to clean and maintain your track. Package doubles as a tray for storage. Replacement pads available. Designed to work on N, HO, HOn3 and three-rail O scale track. Kit includes: Rail Tracker Rail Tracker Handle Clean Track Solution - 1.85 fl oz (54.7 mL) 2 Maintenance Pads 2 Rescue Pads 4 Cleaning Pads 4 Finishing Pads Instructions