Keep your locomotive wheels running smoothly with the Gaugemaster Locomotive Wheel Cleaning Brush. This N Scale N Gauge accessory is designed to clean the wheels of your model trains. Simply place the cleaner on the track, apply voltage to the track section, and hold your locomotive on the brass brushes. The rotating brass brushes will effectively clean the wheels. Measurements: Length: 76mm, Width: 29mm, Height: 24mm. Click here to view an article on the Gaugemaster Cleaning Brushes. Click here to view an article on Track Cleaning.