RKI Chest Box With Top Opening Lid 72x20x14 Black 14 Gauge Steel Model UST72CBRKI Chest Box With Top Opening Lid 72x20x14 Black 14 Gauge Steel Model UST72CB *Only intended to mount on a flat bed or chest style install* Hull of box is constructed of 14 gauge cold rolled steel. Welds are full arc welds, no spot welds. Box incorporates a 4 1 2 deep top opening compartment. Top opening compartment has adjustable divider slots on 2 centers. Lid is constructed of 14 gauge cold rolled steel, with a 14 gauge cold rolled steel inner