Never worry about dull knives in the field. This Work Sharp® Guided Field Sharpener puts a razor edge on any blade. Simple manual design requires no electricity required, and the small form factor makes it easy to take along camping, hunting or on any other outdoor adventure. Sharpens smooth and serrated blades. Sharpens fish hooks and broad heads. Sharpens oversized camp tools like machetes and axes. A must have for cutting remote knife-sharpening jobs down to size.