The Sharpal 6-in-1 Knife Sharpener and Survival Tool is an essential multi-purpose tool for outdoor enthusiasts, campers, and home chefs. This tool features pre-set crossed carbides for quick edge setting and ceramic blades for fine honing. A fold out, tapered Medium 400 Grit diamond coated rod with grooves is designed to sharpen serrations, gut hooks and fishhooks. And built-in fire starter, high-pitched whistle are for outdoor emergency use. Compact body with lanyard hole fits in your pocket,