Everyone has different ideas on what is best. One thing is for sure, finish on the tip won't do you any good. I don't finish my strikers. With the working end not finished, how they have to be to work, and them being used in moist conditions quite often.....I don't want moisture to get trapped in the striker. I want it to be able to breathe and get rid of that moisture as the day gets warmer.
Just my take.
That, and folks lose strikers like MAD. :)