Molded rubber grip and knurled striking surface butt cap. Saw ground back blade. Integrated fire starter with integrated diamond sharpener. Key ground-air communication patch. Emergency micro lanyard whistle The collaboration of Gerber's 70 years of knife and gear expertise with Bear Grylls extensive outdoor survival and adventure experience led to the creation of the Bear Grylls Ultimate Serrated Knife.Bear knows what it takes to be a survivor in extreme situations and this survival knife is meticulously designed by Gerber and Bear to offer a multitude of uses in any environment. This fixed point, fine edge knife also includes a fire starter, sharpener in sheath and whistle on lanyard.Overall length: 10.Weight: 11.2 oz.."