Correct option is C
A
jig is a device used in manufacturing processes to
guide the cutting tool while also holding the workpiece in position. The primary function of a jig is to improve accuracy, efficiency, and repeatability in machining operations, especially for tasks like drilling, reaming, and boring.
Unlike a fixture, which only holds the workpiece, a jig ensures accuracy and repeatability by directing the tool along a predetermined path.
It
eliminates the need for marking or manual guiding, improving production efficiency.