3 Stages Knife Sharpener Ceramic Tungsten Kitchen Knives Blade Sharpening System Tool?2-in-1 Kitchen Knife Accessories by ZHENXIN

Specification Product Size:8.2 x 2.9 x 2.3 inches Material: ABS Plastic,304 Stainless steel,Diamond,Tungsten steel and ceramic How to use this knife sharpener? If your knife is a little blunt(difficult to cut pork belly), using fine slot to sharpen knife 6-7 times. If your knife is blunt(difficult to cut lean pork), using medium slot to sharpen knife 6-7 times first and then fine slot for 6-7 times. If your knife is very blunt(difficult to cut vegetables), you must sharpen your knife 10-12 times with coarse slot first, then using medium slot and ceramic fine slot to sharpen your knife.