Mini Toolbox Stacking Adapter (Harbor Freight)

Mini Toolbox Stacking Adapter Adapter for stacking two or more mini toolboxes from Harbor Freight / U.S. General. Model consists of 4 sides that slot together. Fit is very snug and secure. Stacking works without removing the lower toolbox lid as it can simply flip back during assembly, allowing the toolboxes to revert to their original state.