Standard and metric Allen bolts a breeze thanks to the U.S. toolmaker in business since 1923.

This is the last hex wrench set you’ll ever need. With 15 Allen wrenches in standard measurement and 15 Allen wrenches in metric measurement, there won’t be a hex screw you won’t be able to ...

Most DIY furniture kits come with an Allen wrench that fits the included hex screws. But that little, unmarked wrench is easy to lose or misplace, so it’s best to have a set of Allen wrenches on ...

You can buy metric or imperial wrenches, depending on what kind of screws or bolts you’re working with. Most sets offer sizes ranging from 1-10 millimeters or 1/16-3/8 inch. If you only buy one ...