The PACKOUT 3-Drawer Tool Box has a 50lbs weight capacity and a locking security bar that lets you padlock the drawers closed so they stay securely shut during transport. As part of the PACKOUT Modular Storage, the toolbox lets you customize your storage system for easy transport and organization of tools and accessories. This portable toolbox with drawers is built from impact-resistant polymers, with all-metal ball-bearing slides and metal-reinforced corners for ultimate jobsite durability. The 3-Drawer Tool Box also lets you customize your drawer layout with Quick-Adjust Dividers (Includes 1 set of dividers). The Milwaukee PACKOUT Modular Storage System is the industry's most versatile and durable storage system.