Here's what I'm using for tool storage. Not fancy but it works. To ward off rust, I sprinkle absorbent silica beads like the ones in the little packets in new shoes ("SILICA GEL, DO NOT EAT!) in each box. I get it at Hobby Lobby in the flower section. A 5lb bag costs $12.95 and after the little blue specs have turned pink indicating they've absorbed moisture, I dry them in the oven at 250 for 30 minutes and they're good to use again.