What tool is primarily used to grip, cut, cramp, hold, and bend various parts?

Pliers are specifically designed for gripping, cutting, crimping, holding, and bending various materials, making them the most versatile tool for these tasks in the context of automotive technology and general mechanics. Their design features two hinged arms that work together to create a forceful grip on an object, allowing for precision manipulation. The jaws of pliers can come in various shapes and sizes, enabling different functions such as wire cutting or crimping connectors securely in place.

In contrast, the other tools have more specialized functions: screwdrivers are primarily used to turn screws, prybars are utilized for prying and lifting objects, and wrenches are used for turning nuts and bolts. Each of those tools serves a distinct purpose and does not provide the combination of gripping and bending capabilities that pliers do. This makes pliers an essential tool in many mechanical and automotive tasks, providing the necessary functionality to handle various types of components effectively.