Where can I get a cable organizer in St. Petersburg?

Question

Computer networks

Where in St. Petersburg they sell cable organizers?
Here is such a thing:

( Principle of operation ).
In principle, you can find online stores, but, firstly, you don’t really want to pay 600 rubles for a piece of plastic (with delivery 200). Secondly, you need a choice of black / white, different lengths, etc.
Thank you in advance.

Answer 1

Here, in my opinion, this is what is needed. And there are different colors. Not expensive, but will have to wait. www.aliexpress.com/item/Free-shipping-8mm-2m-PP-el...
www.aliexpress.com/item/2-meters-bag-line-pipe-phi...