That something beschaff is dense, can happen at any time. Unfortunately, the damage in the first delivery was due to defective packaging by the manufacturer. The plastic connection parts H and M were exposed in a box and were thus broken. When replacement turned out that was missing a corner on the side part (canceled) Unfortunately, Amazon needs to bring back these delivery. A little more caution on the part of the supplier had spared us this trouble. One star refers only to the product inside the packaging, the more we could not test unfortunately.
