Quick -collar racks have perforated racks that make it possible to install shelves at any height. We can say that this is a large designer from which you can make a rack of the required size. There is a wide range of standard sizes with different widths and height. There are also sets of racks with which you can increase the height of the rack, as well as additional shelves. The main advantage of rapidly collective racks is that they can be crossed by pressing needs and the possibility of their transportation in disassembled form.