Built to Survive! Featuring a ferro rod for building fires, an emergency whistle and 17 other essential tools, the Signal is the first of its kind. Lose yourself in the outdoors. In the all-new Signal, Leatherman's traditional functional tools like pliers, saw, can and bottle opener, awl, a variety of hex and Leatherman bit drivers, and combo knife blade pair with new preparedness features like a shaped diamond coated sharpener for maintaining your straight and serrated blade, fire-starting ferro rod, and an emergency whistle. Stay ready for the expected (and unexpected) no matter where you are with everything you need right on your belt.