Innovative locking latches and carriage of 3 at once saves time; stacking option allows secured stacking of several organizers to save space and maintain organization; removable dividers provide high customization for small parts and larger hand tools; unique 90 degree angle in the main compartment design allows storage of hammers and angled tools or tape measures comfortably together with the small parts in the other nearby compartments; special lid structure - upper lid interlocking with dividers - prevents movement of small parts from one compartment to another.