They may be considered a step down by some but, as you can see from inside the floor tom, they are really nicely finished. And you can't say that about all the big names in the 70s.
I just finished cleaning up a kit similar to this and most things were well made and precise right down to the screws that hold the lugs on. One of the easiest and most satisfying kits to tear down and reassemble. The only let down imo is the metal hoops on the bass drum which are a bit cheap and usually rust badly