The PACKOUT 3-Drawer Tool Box has a 50lbs weight capacity and a locking security bar that allows you to padlock the drawers closed keeping them securely shut during transport. As part of the PACKOUT Modular Storage, the toolbox allows you to customize yThe storage system for easy transportation and organization of tools and accessories. This portable toolbox with drawers is constructed with impact-resistant polymers, all-metal ball-bearing slides, and metal-reinforced corners for ultimate jobsite durability. The 3-Drawer Tool Box also allows you to customize yThe 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.