SEA BOX offers many types of container connecting devices to secure and lock coupled and stacked ISO containers.

SB1470.SK5 - Deck Mount Plate Shim Kit, 5 Hole (2 each .125" and .375" shims per Kit)
$503.70
In stock, 33 units

SB1470.SK2 - Deck Mount Plate Shim Kit, 2 Hole (2 each .125" and .375" shims per Kit)
$354.13
In stock, 23 units