We may receive a commission on purchases made from links. Whether you're assembling a furniture kit or doing maintenance on your bike, you surely know how annoying it can be to work with an Allen key.

“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 ...

The Allen key turns 115 this year. It’s strange to believe that in all that time, no one has come up with an adjustable version, but apparently true. Luckily [Chronova Engineering] has taken up the ...

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, ...