Klein Tools MODbox™ Three Drawer stackable tool box features a reinforced bottom to prevent drawer sag. Heavy-duty ball bearing slides provide smooth drawer action. It comes with 24 removable dividers for optimal storage flexibility. Integrated locking bar secures drawer contents and cable lock feed-through secures overall system. Three Drawer Toolbox is made with impact resistant polymers and supports 50 pounds. Easily connects with other MODbox™ components to make a custom mobile workstation.