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 ...

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 ...

“It’s well-designed, strong, sturdy, and efficient.” ...