What size torx will fit my tailgate cable screws?
 

I am replacing my tailgate cables and they have some weird size torx head on them. There are two on each side and one is bigger than the other.

There is one on the tailgate and one on the frame holding the tailgate cable into place. I have been to 5 hardware stores and nobody seems to know hte correct size. I don't want to strip them

Thanks

The torx on the tailgate is a 45. The torx on the bed is a 50.