Left hand? right hand holding a knife sharpener? knife? knifein the V groove grinder in the direction indicated by the arrowand pull 3-5 times? can become a sharp knife. Knife sharpener is provided with two V groove? the first for rough grinding? fine grinding and second for. Applicable to all kinds of kitchen knife? Western-style food knife? fruit knife? scissors?etc..

This product through the CE certification? ROHS certification?please rest assured that the use of