look no further than the Teng 621213 Double Open Ended Spanner 12x13mm. The Teng Tools 8 Piece Double Open Ended Wrench Set - TT6208 is a must-have for any DIY enthusiast or professional mechanic.

A reader says this is the smallest open-end wrench in the world, with 0.005 in. across the flats on one end and 0.010 in. across the other. The human hair next to the wrench gives a comparative size.

This fact brings us to the evolution of the basic open end/box end combination wrench and designing it to become faster and easier for mechanics to use. I've gathered tools for the last 50 years ...

In addition, the Knox FDC Spanner Wrench can be used to pry open doors and windows, open and close gas valves, and more. “We are thrilled to introduce a device that reduces the number of hand ...

An innovative wrench set includes box-end wrench fittings (which work like open-end crowfoot wrenches) that can be used as-is (like a thumbwheel wrench or socket) or mated with one of a few ...