The Leatherman Z-Rex Multi Purpose Tool is the perfect tool any EMT or first responder. This Multi Purpose Tool features a strap cutter and a carbide tip glass breaker, which keeps you prepared if you need to rescue anyone. The Leatherman Z-Rex also comes equipped with an oxygen tank wrench. The hole on the end of the utility tool allows you to get a better grip in case your hands are covered in sweat, blood, or oil. The Leather Z-Rex can be attached to a key chain or a lanyard so that you have it any time you need it.