Copper penny F. Fine (F)- Our second cut is F. This is our largest grain at .008 x .008. This size glitter picks up the most light, and, therefore, is definitely the most flashy and exciting to wear! This size tends to be more popular with the performing crowd. It shines and sparkles and offers all the â€˜blingâ€TM you need! This is a great cut for a bright, bold and fun look.