The Leatherman Signal boasts a pocketful of traditional functional tools, with \'preparedness\' features like a shaped diamond coated sharpener for maintaining your straight and serrated blade, fire-starting ferro rod, and an emergency whistle. Foul weather got you stuck at basecamp? Lightening your load for your day hike? No problem with the Leatherman Signal. Includes: Safety Whistle, Ferrocerium Rod, Diamond Sharpener, Nylon sheathClosed Length:  4.5\" (11.43 cm)  Weight:  7.5oz (212.6 g)  Blade Length:  2.73\" (6.93 cm)420HC Stainless Steel:a high-carbon (HC) form of 420 stainless steel that works well with high production tooling, its strength is optimized in Leatherman multi-tools by heat treatment. DLC (diamond like coating),applied for scratch and corrosion resistance, is a carbon-based coating that displays some of the unique properties of natural diamond.