That price is just for the pole. From what I've seen, they're actually not inexpensive at all.
However, Wolf Garten makes super quality stuff, most with the same custom quick detach system (they call it multi-star). You can get a rake for that same pole if you want an extra long rake (doing a zen garden maybe). Weeders, edgers, they make all sorts of stuff to fit.
Sorry I can't find the page in English (their US site does not show hand tools), but this should give you an idea of what they make: