Keep your workspace tidy and speed up your workflow with the Milwaukee Packout M12 battery rack 4932498646. This practical attachment mounts directly onto the side rails of your Packout tool box, freeing up valuable internal storage capacity. Built to hold up to three M12 batteries securely with a firm clip-in design, it prevents loose batteries from rattling during transit. You can easily attach the holder to the rails in either orientation to suit your setup. Constructed with an impact-resistant polymer body, it withstands tough jobsite conditions while keeping charged batteries instantly accessible right where you need them.