Perfect for the Kitchen or workshop. Every sportsman needs one. Finally, the superior quality of hand sharpening is combined with the precision of a finely engineered machine. Tested and refined for years on over 100,000 knives. Adjustable sharpening angles, from 10 to 35 degrees with angle marks at 10, 15, 18, 21, and 24 degrees -- perfect for German AND Japanese knives!