The Jarvis Walker knife sharpener with vacuum base is ideal for sharpening all knives. Whether you're at home in the kitchen, on the bank fishing or away camping, it's small and lightweight. Use the vacuum base to fix the sharpner in place and draw the blade towards you. 2 or 3 strokes and your edge is good as new! Suitable for kitchen knives, pen knives, pocket knives and pretty much any other blade!