"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 ...

Allen keys are the handy tools many furniture products come paired with for installation, but this particular size Allen key ...

We've all been there. You finally muster up the energy to fix something. You have your screwdriver with you, only to find a hexagonal socket waiting for you on the screw that needs tightening. Also ...

Furniture giant IKEA has a not-so-secret weapon at its disposal, and it’s not the Swedish meatballs. Inside virtually every ready-to-assemble product requiring screws is a complementary Allen wrench, ...