first of all it takes alot of time about forty hours to do the hole 5 x 10. including the top. what i used is nuvite a grade c. for light to heavy oxidation removal grade s. final finish you con go to nuvite. com. and if you want to purchase go to prefect polish.com free shipping it run 30.00 a 1/2 pound. but it,s the best. i allso own cyclo buffer. you must wet sand with 1000 grit paper first. the only thing wrong with it everybody wants to touch it. the tread plate fenders came from northen tools