Bought this for fuzzy headlights on vehicles. I did three vehicles and can say it works well. I did use a large buffing wheel because I have one, I would recommend a small foam wheel even on a drill or whatever to make it easier. I think with some effort it would work by hand if the lights were not that bad. The pad on my wheel was a medium foam pad and I used it at low speeds. A smaller wheel would be nicer to get around the pegs on most lights and around curves and corners.