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 ...

"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 ...

If you're like us, you have a toolbox drawer full of loose hex keys that have no rhyme or reason. Over the years, you've collected hex keys from random tool kits at Christmas and just thrown them into ...

We may receive a commission on purchases made from links. While Klein Tools has some impact drivers and wrenches, its offering is far from that of the biggest power tool brands out there. If you're ...