I use Okuma Line Counters, size 20 is the nicest size, but with traditioanl Lead Core you need to use a size 30 which is massive. I have tried some other small diameter Lead Core lines,but you still cannot get all 10 colors on a size 20 reel.
Enter Tufline Micro Lead. This comes in an 18lb Lead Core which has a spectra fiber outer shield. Usign a size 20 Okuma line coutner, I can spool on 50 yards of backer, 10 colors of Tufline Micro Lead, and a 30 yard leader. This all fits on a size 20 reel. I tie Lead Core direct to the backer line, but use a small #10 swivel to tie the leader to, that way if it breaks I can jsut easily re-tie. I have seen on-line reviews of the Tufline Micro Lead colord fading. I have not experienced any of that. So far I am realyl enjopying using this line too.