The part is assembled afloat. Equally fast it falls apart even if you want it to move, for example. Wobbly, unstable structure, and definitely not to be used as a workbench. The thin plate is placed on the frame just above, and slips loosely back and forth. The black bracket for mounting the plate, which are depicted on the pictures were missing (for me at least). Best clip together, slide on the wall and, using dowels to the wall. Then it should fulfill its purpose in so far as. The board then you have to fix only somehow.