1) diamond pattern ABS panel surrounded with halfmoon aluminum frame 2) PE mold inside for tools, adjustable inserts for the tools 3) 1 strong ABS handle with metal base, 2 latches with keyholes, hinges on the backside, 8 reinforced metal corners 4) size: 450x330x145mm or customized aluminum tool case, aluminum case, tool case, tool box for tool set. you will interest in other aluminum case ,as follows :