Screws may be commonplace, but that doesn't mean they're simple. A screw is any shaft with a corkscrew groove carved around its surface and, regardless of their design, screws are usually used to ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Screwdrivers are among the simplest hand tools and everybody knows how to use one.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The Takeaway: The Gearwrench 89620 torque screwdriver’s calling card is its ease of ...