rear abs sensor bolt rounded

I went to replace my rear abs sensor and found the bolt is rounded how can i get it loose any ideas
thanks

what kind of car? you can try to use a grinder and cut a slit in the middle and use a large flat head screwdriver. Careful if you cut to far it will just split in half when you apply pressure.

what kind of car? you can try to use a grinder and cut a slit in the middle and use a large flat head screwdriver. Careful if you cut to far it will just split in half when you apply pressure.

Can you get a vise grip on the bolt????

it's a sportrac and there is not much room ford put to fins on each side
of the sensor and can't get vise grips it also is on the top of the rear pumpkin