Convert your socket into a flex socket to access fasteners from an angle. Also known as universal joints.
The finish on these adapters resists corrosion.
Chrome-Plated Steel—Chrome-plated steel adapters have a mirror-like finish and are easy to clean.
Black-Oxide Steel—Black-oxide steel adapters are easy to grip when dirty or wet. They need to be oiled periodically to maintain their corrosion resistance.