For the proper functioning of the two parts must be relatively precisely mounted to each other. A description for exact calibration is, with some sense of proportion manages the assembly but also without measuring. The screws are fitted with a length of about 12 mm is relatively long, but if necessary should also shorter screws offer sufficient support.
So far, none of our mounted fuses is broken, they work reliably and effectively, but loses a drawer that does not move up and move also leaves very quickly their charm and the small "discoverer" crawls simply the next on! ;-)
Full recommendation and full points