"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Hex wrenches, also known as Allen keys, are the tools you use to screw and unscrew fasteners that have a ...

Furniture giant IKEA has a not-so-secret weapon at its disposal, and it’s not the Swedish meatballs. Inside virtually every ready-to-assemble product requiring screws is a complementary Allen wrench, ...

Most furniture usually comes with a tiny hex wrench to help you put it together, but they aren't exactly easy to use. For just a few bucks, you can turn that into a real, ratcheting wrench that makes ...

Ever wondered why there isn't an Allen key (or hex key, if you prefer) equivalent to the adjustable wrench or spanner? Turns out it's actually quite a complex engineering challenge. But this is 2025, ...

Hex keys are the most frequently required tool for working on your bike. Here are some things to look out for and why it’s ...

If you've ever bought a piece of flatpack furniture before, you probably have a couple of Allen keys lying around in your toolbox. You've probably also misplaced the tiny tool a couple of times, ...