MULTI-FUNCTIONAL KNIFE SHARPENER- Can sharpen straight knives and serrated knives,kitchen knives and fruit knives,also an ideal Grinder to sharpen scissors,screwdriver and pocket knivesHIGH EFFICIENCY KNIFE SHARPENER-Choose Ultra-thin diamond abrasives sharpening wheels,Create a razor sharp edge in few secondseate a razor sharp edge in few secondsCONVENIENT AND SAFE-Powered by 4 x AA batteries (not included),save your power and no need any skills,Sharpen knives like a pro in your comfortable homeProduct bottom designed with 4 skid-resistance silicone points