Smiths X2 Sharpener & Outdoor ToolSmiths X2 Sharpener & Outdoor Tool Coarse carbide and fine ceramic pull through sharpening slots; Preset sharpening angles for consistent edge alignment; Fold out tapered diamond rod for serrations and gut hooks; Diamond rod stores in bottom of housing; Integrated fire starter for spark generation; Push button LED light for low light visibility; Built in signal whistle; Integrated compass for navigation; Lightweight, compact, and durable construction;