A wrench (or “spanner” for those who use British English) provides grip to keep nuts and bolts from turning and torque to help you turn fasteners more effectively. Like all the tools every man should have in his toolbox, it’s a fairly simple instrument to employ. But also like all the tools in your toolbox, a wrench can be used improperly, causing damage to your tool, your project, or yourself. If you’re new to DIY-ing, above you’ll find the don’ts for using a wrench. For more on the proper dos of wrench usage, consult this article.