These are new military surplus in boxes, NSN 3040-01-387-4048. The manufacture SeaBox sells them for $100 ea and we are selling them at $49 ea or $29 for 50 or more. Can use low cost USPS Flat Boxes for shipping up to 5 per box.
For locking any size ISO shipping containers side to side or horizontally at both the top and bottom. For either shipping, tying together multiple units for permanent storage or for housing