The MILWAUKEE PACKOUT 4-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. Metal Ball Bearing Drawer Slides. Includes (4) Sets of Quick-Adjust Dividers. Part of the PACKOUT Modular Storage System. Modular Connectivity with ALL PACKOUT Components. What’s in The Box. (1) PACKOUT 4-Drawer Tool Box. Limited Lifetime Factory Waranty. 30 Day Satisfaction Guaranteed.