EFFECTIVENESS: The BOJ sharpener is a tool so effective you will have a razor sharp knife in just a few strokes.</br>TOUGH AND ERGONOMIC WITH A SOLID DESIGN: Ergonomic?? with a portable design and easy-to-grip handle with hanging hole. It works well for both right- and left-handed people. Long 4 ?? "andle designed to prevent cuts. It will give you many years of great service and will not fall apart even when dropped onto a hard surface.</br>100% SATISFACTION GUARANTEED OR YOUR MONEY BACK! This patented system has been used for years and years.</br>VERY EASY TO USE: Only one stage is needed. Run the knife blade between the two rollers repeatedly back to front and the BOJ sharpener creates a razor sharp edge in seconds. This sharpener is designed to sharpen steel knives?? ceramic knives should not be used with this sharpener.</br>MADE IN-HOUSE FOR DECADES: Founded in 1905?? BOJ is the manufacturer and this old fashioned knife sharpener is made in-house in our workshop in Spain for decades.</br></br>Product Description</br></br>INSTRUCTIONS: support the sharpener on a surface and simply run the knife blade between the two rollers repeatedly in one direction until there is no drag whatsoever.</br><br/>http://www.amazon.com/gp/product/B006CNY1866c