best kitchen knife sharpener 1,Material:tungsten steel / Plastic /Rubber 2,Packing:blister card ... 120pcs/ctn 3,Size:6*6.5 hot sale knife sharpener in Korea1,Material:tungsten steel / Plastic /Rubber2,Packing:blister card ... knifes 3.use your left hand hold the handle of sharpener,press it on the table-board,put the knife into ... slot,pull back several times portable good assistant portable knife sharpener