The Milwaukee PACKOUT 3-Drawer Tool Box has a 50 lbs. weight capacity and a locking security bar that secures the drawers during transport and allows users to padlock the drawers closed keeping them securely shut during transport. As part of the PACKOUT Modular Storage, the toolbox provides users customized storage solutions for easy transportation and organization of their 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 PACKOUT modular storage system is the industry's most durable and versatile storage system. The PACKOUT rolling tool box is constructed with impact resistant polymers and metal reinforced corners so it can withstand harsh jobsite environments. The rolling tool storage box connects with all other PACKOUT system components via integrated locking cleats and features a 250 lbs. of weight capacity. An industrial-grade extension handle and 9 in. all-terrain wheels ensure the tool box can be rolled anywhere on the jobsite. An IP65 rated weather seal protects tools and accessories from Rain and other jobsite debris. Interior organizer trays allow users to keep equipment organized to fit their needs. Reinforced hinges and carry handle ensure the rolling tool box is easily transportable wherever it is needed.