Makita 821551-8 Interlocking Case, 8-1/2-Inch x 15-1/2-Inch x 11-5/8-Inch, Large (Discontinued by Manufacturer) Interlocking latches secure lid shut and link stacked cases together for efficient moving Corresponding channels along lid and base of toolbox for stable, non-shift stacking Rounded carrying handle and recessed side handles for convenient lifting Reinforced lid provides additional strength and durability Interlocking case, Large