We've all been there. You finally muster up the energy to fix something. You have your screwdriver with you, only to find a hexagonal socket waiting for you on the screw that needs tightening. Also ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

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.