ParaKnife™ 2.0: A tough 1.5 inch (38mm) long, 2.3mm thick stainless steel blade is a handy multi-tool to have on the trail. The saw tooth blade adds maximum cutting functionality and the black-oxide finish reduces rust and protects the blade. This multi-tool knife includes a 2 inch ruler, hex wrenches, and a bottle opener. Protective sheath for safe storage included. ParaTinder™ Utility Cord: The ParaTinder wrist lanyard unwraps to provide around 3 feet (0.9m) of paracord with an added single tinder thread. To ignite ParaTinder, expose red core thread and light with included fire starter. Inner paracord strands can be used as sewing thread, sutures, fishing line, and more. Fire Starter: The flint fire starter produces sparks in even the worst conditions. Lightweight and compact, it is easily stored in the included protective sheath. Will ignite a wide range of tinders. Whistle: The wrist lanyard features an integrated whistle for an easy-to-use signal device.