well if your inf. one is in the box finish, and the tnv will be in the box finish, i would say you can expect to see more length and more backend on the tnv in a lighter pattern, lt. to med. oil.
if you plan to use the tnv in the box finish, you "may" need to adjust the cover for a heavy oil pattern. depending on your hand.
i think you will find you be able to use the tnv longer into the nite.
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jls31316