Tire Prep Bench - 9 volt powered For fast cleaning of tires prior to racing. Spin tires on abrasive strip to remove oxidation, then drop in the sticky roller and spin to remove all dirt and dust. Power strip power car and can slide to allow use of entire roller. Peel roller for fresh adhesive, replacements in stock then needed. Fits all 1/32 and 1/24 scale cars. 9 volt battery power makes this portable and an advantage in your pit box. Not suitable for tire truing, but great for fast tire prep. Then go fast!