Milwaukee s Packout modular storage system is the industry s most versatile and durable. The 2-wheeled cart has integrated Packout mounting on the base and frame to allow users to securely stack or hang their Packout products (sold separately). With a 400 lb. weight capacity and 10 industrial flat-free wheels this cart easily transfers on and off the jobsite. The Packout modular storage system allows you to customize your storage system for easy transportation and organization of tools and accessories.