They may be small, but having certain tools and gadgets on your keychain can come in handy when you least expect it. Here are five we tested to consider.

You pretty much always need keys, but it's often nice to have a few tools on hand, too. The VersaLink allows you to carry some of both in one modular, magnetic, titanium-bodied device.

Upgrade your EDC with the VersaLink Titanium Multitool. Compact, durable, and customizable, it’s a TSA-compliant tool perfect for any ...

Explore the Ysmart Bullet2: a versatile flashlight with quick-release, magnetic base, and premium materials for everyday and outdoor use.

The good news is keychain tools exist, and a lot of them offer more ... Although it's bigger than the previously mentioned gadgets, it's the cheapest option on this list at only $6 on Amazon ...