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 ...

A T-handle hex wrench set serves three purposes: you can get ... With the objective data handled, we then examined ergonomics, holder/organization, size ... Phillips, star bits, and a scratch ...

Although interchangeable-bit hex wrenches aren't that hard to use, there's always room for improvement … right? The designers of the Switch Hex T seem to think so, as their wrench features a ...

Harbor Freight Allen Wrench tool review. Get ad-free access for just $10/year. Join today! Log In; ... As I was inserting the wrenches into the holes in the steel holder, I noticed that the shaft on ...

L-shaped, long-arm, ball-end wrenches are the most useful type of hex wrenches to have around. The long-arm models have a better reach than what’s typically found on a hex wrench—in some cases ...

In 1910, William G. Allen, owner of Allen Screw Manufacturing Company, began marketing hex wrenches, which had already existed in some form or another since the 19th century.