Look for these, I like the S, and F tips, I am not positive but I think these people make the topflight panel line pen. Although the ink sticks about as good to anything as is possible, I would let it dry at least a day or two before clearing over it, and don't get it to wet with the clear when you do, I have had bad luck when I rush it or get it to wet,,line can run or get fuzzy, Of course all normal rules pertain as to making sure everything is clean.
They used to make these in more colors I think..because i used to be able to buy some different browns and greys, and greens...but things change. Practice on scrap and I don't think you will be dissapointed

Most good art supply stores carry them, they run in the 4-7 buck range last time I checked.


http://www.staedtler.com/Lumocolor_p...n_gb.Staedtler