A load of three newly manufactured Rock Box Containers staged and ready to be shipped to Hawaii. Our Rock Box Roll Offs can be nested inside one another to maximize deck space during transport, reducing the overall freight costs. SCS Rock Box Containers the strongest, most durable roll off container available on the market. Designed for the transportation of heavy loads of rock, concrete rubble, sand, gravel or other debris. They are available in lengths from 12-20 feet and 5-17 cubic yard capacities, they are available in any under-structure required, including cable roll off, hook lift, live roll or bale hook types.