We may receive a commission on purchases made from links. The Allen wrench, also known as a hex key, is a L-shaped hand tool with hexagonal (six-sided) ends. It all started with a Connecticut inventor ...

“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 ...

You could amass an irregular collection of Allen wrenches by saving the ones that come with build-it-yourself furniture, but the way to actually have every hex key you need on hand is to get a nice, ...

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 ...