lots of useful information, thanks guys.
my irons are steel shafted and probably 20 years old or more, bought them second hand, the club head shows some kind
of signature "Lord Byron" and the brand name is "Northwestern".
I contacted the company in an attempt to find out their real age, but no response.
as for my distances: they are rather irregular because I don't have the time to practice on a regular base.
5 months ago, I was able to practice 9 times in 12 days (only 7-iron) and was shooting up to 220 yds with a rented graphite 7-iron!
after that, I was unable to practice for several months and lost the trick how to do it.
at this moment, whenever I hit my own 7-iron well, it usually passes 150 yds, up until about 170 yds (maybe more, my dept-sight is not so good)
as for my driver, I only bought it 2-3 months ago and haven't had a lot of time to practice with it (never did before that).
it's indeed 45" and has a flex shaft.
it does indeed tend to go rather high with a little slice, but I'm working on that.
I'm still working on my feet-positioning and swing for my driver, so maybe it will get better when I've spent some more time practicing with it.
driver and putter are the only pieces I bought new.
my putting seems rather good (for a beginner), usually 2 to 2,2 (used to be good at mini-golf).
thanks for all the input!