I had plans to get my new headliner put up this weekend but I have run into a problem with a few clutch head screws... I have been getting by using a square/flat head driver, but a ran into a few today are tougher to get out.

I can not find any local store that carries a driver, but I still want to get the headliner in tomorrow.

I am thinking about taking a Dremel to a larger square bit or maybe modifying an allen wrench. Are there any other tricks I can try?

Thanks in advance.