Part 2 Assembly:
The screws have exactly fit that self-locking nuts can attract heavier normal and corresponded to normal torque.
The angular fit well into each other and run clean undress.
Part 3 wall mounting:
I have the screws and dowels used, it is not the finest, but keep well in the Blähbetonwand.
By carefully measuring and using a spirit level and no slots or corrections were necessary.
Part 4 Installing Microwave:
The recesses for the microwave feet are sufficient to be on the safe side, I've also used Powerstrips underfoot.
Conclusion:
Stable mount for heavy equipment, not delicate but stable.
Buy recommendation!