High-speed kit is designed for obtaining the best performance possible from your wheels and axles. Allows you to mount the wheels on an electric drill and use the medium grit sandpaper included for smoothing. The two finest grits of sandpaper can be used wet or dry to polish imperfections from axles and smooth the shaft of axle for top performance.
WARNING: Choking hazard. Small parts. Not for children under 3 years.