An impact wrench is a powerful tool used to tighten or loosen bolts and nuts quickly and efficiently. It delivers high torque output with minimal effort from the user, making it ideal for tasks like changing tires or assembling machinery. The tool uses a hammering mechanism that produces rapid bursts of rotational force, allowing it to break free stubborn fasteners. These wrenches come in various types, including electric, pneumatic, and cordless models. Many professionals in the automotive and construction industries rely on impact wrenches for their speed and effectiveness. With the right attachments, they can handle a wide range of applications, making them essential for any toolkit.