Delta 70 Diamond Plate Aluminum Full Size Crossbed Truck Tool BoxGet organized with this Delta Champion Truck Boxes. These are weather resistant truck boxes and now they feature a RSL Lid Design. To match the strength of the RSL Lid, Delta Champion, it features a high strength body with wider top rails. The lid design has an outer shell with an insulating middle layer with a unique reverse beveled edge lid liner. This is the strongest and most rigid liner in its class thanks to this combination. Self aligning hoop