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, ...

From type to tolerances, our guide to the often overlooked tool Excluding your mind, hands and perhaps bottle opener, nothing in the bicycle workshop is likely to get more use than Allen keys (AKA hex ...

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 ...