The final product is really great for this price. The service of the company as well. We were sent immediately after a complaint another board after breaking off a bolt through the extremely poor building description and irretrievably stuck in the reinforcement beam. With a lot of imagination, time to understand the description and wrist strength, we've made it. The supplied Allen wrench can not be used large, either because the screws are too long or the pre-drilled hole is too thin or short, so so is the effort too high. One need in any case a cordless drill with the appropriate Imbusaufsatz, otherwise you escape without interruption! It stands in the description that you should install a reinforcing spar center, unfortunately, the pre-drilled holes are not centered, so that one is irritated and then centrally with at the bottom-and then it will be replaced. The bores for the rubber straps are only moderately well, worked rather sloppy, one must nachfeilen to fix them! When tape which is wrapped around at the end of the slats, there is a "top and bottom". It shows only when it auffädelt the first time and it is the wrong way round! There is no reference to it.