Jon1270
Minister of Fire
You'll have relatively few choices of NK bars, and very few NK chain options. The rails on a NK bar will be narrower, so they'll wear faster than an otherwise similar standard-kerf bar.
Basic laminated NK bar
Nicer solid, replaceable-tip, standard-kerf bar
Stihl chisel chain (standard kerf)
Basic laminated NK bar
Nicer solid, replaceable-tip, standard-kerf bar
Stihl chisel chain (standard kerf)