Wrenches are among the most ubiquitous and invaluable hand tools. They fit firmly around nuts and bolts, and their long handles generate a ton of leverage when you need to loosen or tighten fasteners.

"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, ...

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 ...

The ratcheting wrench is one of those instruments that sounds frivolous but is actually an invaluable addition to the toolbox. Craig brought 15 years of automotive journalism experience to the Cars ...

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An innovative wrench set includes box-end wrench fittings (which work like open-end crowfoot wrenches) that can be used as-is (like a thumbwheel wrench or socket) or mated with one of a few handles ...

Craig brought 15 years of automotive journalism experience to the Cars team. A lifelong resident of Michigan, he's as happy with a wrench or welding gun in hand as he is in front of the camera or ...