This Milwaukee PACKOUT toolbox has a 50 Lb. weight capacity and a locking security bar to padlock the drawers closed keeping them securely shut during transport. As part of the PACKOUT Modular Storage, the toolbox provides customized storage solutions 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 toolbox has Quick-Adjust Dividers to customize the drawer layout. The PACKOUT Modular Storage System is the industry's most versatile and durable storage system.