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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Wrenches are among the most ubiquitous and invaluable hand tools. They fit firmly around nuts and bolts, ...

No workshop is complete without at least one good wrench set. Whether you're building a piece of prefab furniture, working on your car, or fixing a dishwasher, you’re going to need a set of wrenches ...