While tool boxes are available in a number of different materials the vast majority these days are either metal or plastic, with metal steadily losing market share even as you read this. The virtues of the metal tool box are almost entirely functional as there is no denying it’s going to be able to withstand the rigors of the jobsite to a greater degree than a plastic tool box. On the other hand, if you are willing to be a little more careful in how you handle your tool box, plastic has a lot to offer. Including the fact that it’s lighter, it’s not going to rust, it’s available in a wider variety of styles and colors and it’s more affordable.