On Thursday, July 5, 2018 at 8:07:53 PM UTC-4, Michael wrote:
I'm trying to remove ...small head, longish phillips screws about 1/2 inch from the wall and in tight spaces

if it's too close to the wall for the power driver, even a manual screwdriver is likely to need some
tilt; so, use a screwdriver with a long (18 inch) shank. It might have some small angle,
but so must the driver that put it into that corner.