It's been too long- I'm not sure of the size. I've also seen someone use the end of a triangular file. And if you don't care about the screws (and the case, depending on how deep they are counter-sunk), you can use a dremel to cut slots in the screws to fit a regular flat-blade screwdriver. I've also seen a screw removal bit at the hardware store - you drill a hole in the screwhead and then insert the bit, which grabs hold of the screw. Or you are welcome to send it to me if you want.

Last edited by seanriddle; 12/27/14 07:19 AM.