Titanium

Chances are you already need a steel ruler for your fixing and making tasks, so why not use one that can do much more than most? That's the idea behind the ten-function Tiruler, which packs a protractor, caliper, bubble level and even a wrench.

A man has lived for more than 100 days with a maglev heart beating inside his chest. In a landmark moment, he was discharged earlier this year, becoming the first person in the world to leave the hospital with the device embedded in his body.

The best multitool is the one that you actually have with you. Thanks to its tiny size, along with features such as two screwdrivers, two wrenches and a folding steel blade, the Orioners T6 keyring tool isn't likely to get left at home.

Although there are now a number of multitools that sport tiny adjustable wrenches, the TiSpanner was the first to do so. It's now available in a larger and beefier third-generation incarnation, aptly named the TiSpanner 3.0.

If you're going to be carrying a compass anyway while out in the wilderness, why not carry one that performs multiple functions? That's the idea behind the Loki-Nav compass, which also packs a mirror, magnifying glass, and tinder-making wood file.

This handsome titanium tool is first and foremost a bookmark. And it's possibly the most durable one you'll ever own. Equipped with a graphite pen, a screwdriver, a package opening edge, and a ruler, the BookBond Pen 2.0 isn't just for reading.

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.

The evolution of the Octo carabiner multitool is an unusual one. The device started small, got bigger, but has now shrunk again. That small-again model, called the Octo Mighty, still manages to pack 18(ish) functions into a li'l titanium body.

If you wanna do some wrenching, cutting, measuring and screw-driving, you might want to check out the Ti EDC Wrench 2.0. It combines all of those functions and more in one CNC-machined titanium device.

Titaner's new Mix 3.0 ain't your average ruler. The clever dual-scale device boasts attributes such as an extendable measurement system, a measuring caliper, a magnetically retained pen, and a slide rule for performing calculations.

Your existing multitool may be cool in an outdoorsy way, but does it give you any "street cred"? Well the WingSpan … might … as it packs an adjustable wrench, tweezers, a blade, and six other tools into a butterfly-knife-type titanium body.

The BladeNex is a compact folding scalpel made from CNC machined titanium that's small enough to fit on your keychain and go wherever you do. Plus, it uses replaceable blades, ensuring it'll last you years and always have a sharp cutting edge.