... oil needed *With one suction pad,max lad 10k LX-1203,Knife sharpener with suction pad*ABS plastic base,with 3-stage sharpening ... right crossed ceramic provide a razor sharp edge.*with one suction pad,max load 10kg.Instruction:*Fixed the sharpener to ... down the grip to lock the sharpener by suction pad.*Put the knife that you want to sharpen ... water or oil need,very easy. knife sharpener with suction pad