The FATMAX® 23" Metal-Plastic tool box features a tough material combination of a metal body design along with a resin frame, with a removable vertical storage unit inside for organization and easy access. It has a long metal hinge to allow the user to carry the heavy loads, along with large metal latches that are heavy-duty, strong, rustproof. It also offers a padlock eye ready for inserting a lock for security of your tools. Gray Metal Toolbox