The point is so when you look at the board and see a gap you dont have to think wtf was there you see the outline and know ow 8m missing a spanner or pliers
cant beat a tidy tool box/rack makes life so much easier,i get all grumpy when they leave mine in a mess or put stuff in wrong lol https://plus.google.com/photos/100646892131776028079/albums/5060293209842628785