So far I am literally on step one of the directions and already struggling. Rather than having a predrilled hole, they tell you to screw two small pieces 150 from the edges. 150 what? Millimeters? And no mention of how to place it vertically. Step 2, again: screw a bracket 640.5 from the edge. Really? Make sure your tape measure has metric before attempting this assembly. Or maybe save yourself the headache and just buy a cheaper, simpler one like we should have done. Also, plenty of the pieces are not marked.