It's probably very simple, but I haven't figured out how to do it and would rather not keep hitting my head against a wall fighting with my options toolbars and surprisingly fruitless Google searches.

We all know what a regular construction line looks like ( _______ ___ _______ ___ _______ ), but I want to use something with smaller equal dashes, like " - - - - - - - - - - - " for use in a drawing with some small features where the standard construction line appears like a solid line.