Kadee 236 Speedi Driver Cleaner Brush

Quickly and simply spins dirt and gum from locomotive drive wheels. Restores electrical pickup, eliminates erratic locomotive performance due to dirty, scummed wheel treads! Just clip brush leads any place on running rails, or to 12 volt DC power source. Locomotive motor thus powered, spins drivers against brush to whisk away grime and corrosion from driver treads in seconds. A real hobby helper! « less