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. Features: MODbox™ Three Drawer Toolbox is made with impact resistant polymers and easily interconnects for a customized mobile workstation; Durable toolbox supports 50 pounds (22.7 kg) and comes with 24 removable dividers to customize storage; Locking bar secures drawers for transportation and neatly stores in base of box when not in use; Heavy-duty ball-bearing slides fully extend and allows for smooth open and close; Reinforced bottom channel provides rigidity to prevent drawer sag when loaded; Steel-reinforced red locking latch prevents tool theft by using any padlock with 5/16-Inch diameter or less shackle; Secure the entire system with a cable lock by using 3/8-Inch steel reinforced lock location; Built-in side rails provide easy access to commonly used items; side rail accessories offered separately; Lid features molded-in ruler and V-groove for conduit or PVC; Reinforced Bottom Channel; Locking Bar; Ball-Bearing Slides; Removable Dividers; Attach Accessories to Rails - Warnings: Do not use as a step stool or ladder.; 50 lb (22.7 kg) max system weight rating.