This shelf is for a very inexpensive u. Already made me in the presentation of a very good seller, stable impression. I had ordered 3 St. and they were delivered quickly. This has already impressed me. So then it went right down to unpack u. To the assembly. This shelf is easily assembled by plug-in system. D. is screwed anything h., Which has already greatly excited me. After the 3 shelves assembled u. In our workshop placed u. Were granted, only became clear how stable this construct actually is. U by a cross brace in the middle of the floor. The all 5 floors, the floor can not sag even with heavy loads. I can only recommend this shelf. Fast Delivery. fast assembly, very stable u. u loads. looks, even if it is only in our workshop, still good too. Thanks to the seller! Gladly again. Greetings, H.Neumann.