"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 ...

Ever wondered why there isn't an Allen key (or hex key, if you prefer) equivalent to the adjustable wrench or spanner? Turns out it's actually quite a complex engineering challenge. But this is 2025, ...

Simple but very effective; a quality set of Allen keys This is a very plain and simple fold up Allen key set with a high emphasis on quality and strength. The long casing is very comfortable, smooth ...

I must be the only motorcycle mechanic in the world without a “T” handle Allen wrench set, so I decided it was time to join the club. I’ve been making do with a collection of short-, medium- and ...