The creams are of average quality.
As for hold, they are good.
The orange clips are "single-use" but not literally, figuratively. If you press them a little harder or work with them quickly, they come off. They still do their job though.
They are good for their price.

Economical and quality construction. I corrected the evaluation as I did not know how it works. It requires a little force on the lever to open the clamp and insert the wire or plug.