Knife sharpener 1,Two stage - coarse and fine-sharpening design 2,Unique sharpening wheel design 3,Non-slip rubber feet Top quality knife sharpener This ... is the sharpener for CERAMIC KNIVESMaterial: ABS, Stainless steel, diamondCarton size ... .G. Applicable voltage 100-240 VAC, 50HZ—60HZ Top quality knife sharpener