Hi. I will by Pelican 1780 case ! But I have a dault ! It’s possible to stay the 2 parts fixed together, so I will can open one part to work ? What I need to put in the 2 parts together, lockers ? Cause , I maded this it’s will more practical for me ! I would like to put things , no weapons ! 2 question!! For espace inside (hude space for to put different things ) what is better. Pelican 650 or Pelican 620 ? I would like more deeper and good size. What your advice ? Thanks very much