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, ...

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 ...

If you need pro tools, you won't regret buying these Forty quid is a lot to pay for Allen keys, but you do get lots: 2, 2.5, 3, 4, 5, 5.5, 6, 8, 10 and 12mm, all with hardened ball ends and T-bar ...

If you’ve assembled IKEA furniture, you’ve used an Allen wrench. These slim, L-shaped contraptions are often the only tool included in the packaging, even when you’ll need others to finish the job.