The IKEA Allen wrench is also a bit different, with two heads on opposite sides of the wrench to accommodate different fastener sizes. Speaking of IKEA ... According to IKEA, the company began ...

You can grab a monkey wrench. Want to put together an IKEA bookshelf? An Allen wrench works. If you have a plumbing issue, however, you’re likely to turn to the wrench that can sink its literal ...