Which type of wrench is preferable for use on delicate surfaces without causing damage?

A strap wrench is the preferable choice for use on delicate surfaces because it is designed with a flexible strap that wraps around the object being turned. This gentle grip minimizes the risk of scratching or marring the surface, making it ideal for use on fragile or finely finished materials. The strap distributes the force evenly across the surface, reducing the pressure on any single point and enhancing control during use.

In contrast, other types of wrenches, such as adjustable, open-end, and socket wrenches, typically feature metal contact areas that can lead to potential scratching or marking on delicate surfaces. These tools may also apply concentrated force at specific points, increasing the likelihood of damage through excessive torque or improper handling. The design of the strap wrench stands out as it prioritizes both grip and protection, making it the best option for sensitive applications.