General description The Professional Knife Sharpener is a versatile 3-in-1 tool designed for efficient sharpening of various types of knives. It features three distinct notches to cater to different sharpening needs: tungsten steel for very dull blades, diamond for fine sharpening, and ceramic for ceramic blades. This sharpener is suitable for a wide range of knives including bone cutters, slicing knives, paring knives, fruit knives, and multi-purpose scissors. Technical specifications Material: ABS plastic handle, 304 stainless steel outer side, tungsten steel, diamond, and ceramic sharpening rods Sharpening slots: 3 (tungsten steel, diamond, ceramic) Usage Place the knife into the appropriate slot Sharpen the knife 3 to 5 times for optimal results Suitable for both right and left-handed users Other information Non-slip rubber mat on the bottom for stability Ergonomic design for comfortable handling Anti-rust plate with non-slip pads for added stability