... ... In heavy quality. You can easily book without guidance and foolproof to install. Screws and dowels totaled. Visually it corresponds to the basic range of Grohe and is an excellent fit to do so. When applying, you can move the brackets sideways. So we were able to use the holes of our old tray. We were also able to find any here partly raised by other reviewers workmanship. We are of the appearance and functionality very confident and completely satisfied.