MILWAUKEE 48-22-8429 PACKOUTT XL TOOL BOX. The MILWAUKEET PACKOUTT XL Tool Box is constructed with impact-resistant polymers and metal reinforced corners to withstand harsh jobsite conditions. The tool storage solution connects with all other PACKOUTT system components via integrated locking cleats and has a 100lb weight capacity. This extra large tool box has an IP65 rated weather seal that protects tools and accessories from rain and other jobsite debris. The interior organization tray keeps users’ equipment organized to fit their needs. The PACKOUTT modular storage system allows users to customize and build their storage system to easily transport and organize tools and accessories. Milwaukee PACKOUTT is the industry’s most durable and versatile storage system. (1) Interior Organizer Tray. Metal Reinforced Locking Point. Mounting locaition for ONE-KEYT TICK. Modular Connectivity with ALL PACKOUTT Components.