"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 ...

“This set is a great addition to my tool kit.” The Sedy 41-Piece Hex Key Allen Wrench Set is on sale for $18, which is $12 off the original $30 price tag. This bestseller boasts over 280 five-star ...

Pricey, but you get a good range of Allen key sizes here, and the set should last a long time A good set of Allen keys is essential for every cyclist and Birzman’s Long Arm Hex Key set is worth ...