Tool boxes and tool storage units are used to organize and store tools. A plastic tool box is useful for its non corrosive characteristics. Tool boxes and tool storage units that are made out of plastic are clear, break resistant, and can open smoothly at a 45° angle. They can also be removed completely for easy access and refilling. These tool boxes and tool storage units usually come with molded handles with slots for labeling. The bins that are part of plastic tool boxes and tool storage units can be cleaned with soap and water. Some types of polystyrene cabinets can also be stacked or wall mounted.