We may receive a commission on purchases made from links. The Allen wrench, also known as a hex key, is a L-shaped hand tool with hexagonal (six-sided) ends. It all started with a Connecticut inventor ...

There's little worse than being stopped in your tyre tracks by a minor mechanical problem that you could have sorted out if only you'd brought along the right tool. Fortunately, the best multi-tools ...

Live your life healthier and happier with our free weekly Living Well newsletter Whether you need to fix a slipping seat post or tighten a loose spoke, a quality multi-tool is an essential bit of kit ...

At first glance the Allen wrench doesn’t seem to be much of a tool. It’s little more than a small, L-shaped piece of metal. But don’t be fooled by its humble appearance, the Allen wrench is an ...

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 ...

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 ...

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 ...