... card 120pcs/ctn 3,Size:6*6.5 hot sale knife sharpener in Korea1,Material:tungsten steel / Plastic /Rubber2,Packing:blister card ... a haptor on the bottom 2.Apply to all kinds of knifes 3.use your left hand hold the handle of sharpener ... on the table-board,put the knife into the "V"slot,pull back several times as seen on tv knife sharpener tungsten steel knife sharpener