Hex wrenches, also known as Allen keys, are the tools you use to screw and unscrew fasteners that have a hexagonal recess (as opposed to a Phillips or flathead recess). Hex screws are commonly used on ...

“These sets solved every problem I’ve been having with Allen wrenches.” ...

Allen wrenches are undeniably useful, but they can also cause headaches. They’re slender, which doesn’t leave a lot of room for easy-to-read size markings, and they’re easy to drop, particularly when ...

I must be the only motorcycle mechanic in the world without a “T” handle Allen wrench set, so I decided it was time to join the club. I’ve been making do with a collection of short-, medium- and ...

Hex keys are often taken for granted because they are used so frequently and for so many jobs on a modern bicycle. In fact, it’s sometimes difficult to find a bolt on a bicycle that doesn’t have a hex ...

We may receive a commission on purchases made from links. Whether you're assembling a furniture kit or doing maintenance on your bike, you surely know how annoying it can be to work with an Allen key.