Angie, If using a grey star or trip I would start with a yellow buff
about a 1 in or so , and then for the final I would go to a white
muslin buff same size. One thing do not mix polish.
Andy " The Tool Guy" Kroungold
Tool Sales / Technical
Stuller Inc
Phone 800-877-7777 ext. 94194
Fax 337-262-7791