Big effort in earthed plugs - perceived quality "cheap"

I can not share the enthusiasm expressed here partly for this product. The level of craftsmanship is just "ok". Taking the PowerCube in the hand, the perceived quality is modest. The protection contacts were sometimes so badly adjusted and the metal is so soft that a shockproof has bent when inserting a grounding-type plug.
In total there are safety plug (these are the thick plug with the protective contacts) inputs only with very large Müher and unplug. If you attach the Power-Cube with an adhesive film, for example, at a desk, this would solve at Schuko be 100% again, because the forces are too great.
Overall, I am disappointed by the design of the product; the design and the idea itself is very good.