Features 4 stages, two for Asian/Santoku knives and two for European/Standard edges
Standard Stage sharpens to a 14° angle and the Asian Stage sharpens to a 10° angle
Carbide (Coarse) stages quickly sharpens and sets the edge
Ceramic (Fine) stages finish the edge, polishing it to razor sharpness
Easy to use, simply pull knife through at a 90° angle with slight pressure