Turn fasteners from either end and reach into tight spots.

When a standard-tip key can't make good contact with the recess, a ball end allows angled entry to turn screws in hard-to-reach places. These keys have a zinc coating that resists salt-spray exposure.

These assorted keys have an extra-long shaft that provides access to fasteners in deep recesses. To change tips, use a hex key to loosen the set screw.