A nut driver is primarily used for tightening and loosening small nuts and bolts. It features a hollow shaft that fits over nuts for easy access. While it can assist with some other tasks, its main function is to handle fasteners effectively. ;
A nut driver is primarily used for tightening and loosening small nuts and bolts. It features a hollow shaft which allows it to effectively engage with fasteners. Thus, the correct answer to the question is C: Tightening and loosening small nuts and bolts.
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