The Blademedic® Knife Sharpener is the first responder for field repairs on all types of knife blades. It’s like having an entire knife sharpening system right in your pocket. Expect to tackle regular or serrated blades, gut hooks, hunting knives, fishing knives, and just about anything. Three or four strokes will restore your blade and polish to a finished edge. Ideal for blade reconditioning and maintenance. Designed to get inside even the smallest serrations. Sharpening angles are pre-set at 22.5º to achieve a 45º inclusive angle.