Wrenches are essential hand tools used to provide grip and mechanical advantage in applying torque to turn objects like bolts, nuts, and other threaded fasteners. Available in various types, including open-end wrenches, box-end wrenches, adjustable wrenches, and combination wrenches, they are designed to meet the needs of different applications, from automotive repair to industrial use. Whether tightening or loosening, wrenches offer the leverage and precision needed for tasks big and small, ensuring a secure fit for any project.