Honeycomb Professional Knife Sharpener BoardThe unique design concept of sharpener is fashion and technology that angle can be adjusted by yourself freely. The sharpener with 5 points to sharpen,400# assembld grinding surface honeycomb pattern front and 1000# finely crushed surface complete sand type ample area coverage behind. Rough grinding and fine grinding(ceramic for aviation ) on the double sides that left and right,as well as sharpening scissors at the handle, which can meet the needs of