NEW released theorectical design professional sharpener Blendx Bavarian Edge Kitchen Sharpene Special spring action arms design allow better and easier sharpen hone and polish. Material: Hone parts:emented carbide,up to 90HRA hardness,not easily worn,perfect for knives sharpener even hard steel ones. Base:dural heavy steel plate provide better stability. Body:ABS with silver plated,light weight and good looking. Color: Sliver. Compatiblity: * Japanese knives * Chef knives * Serrated knives * Boning knives * Paring knives * Cleavers etc. Package Includes: 1x Kitchen Knife Sharpener Note ! The sticker on the bottom is to protect the steel plate,please peel it off before use. Blendx bavarian edge sharpener is NOT for ceramic knives. NOT dishwasher safe.please clean with dry cloth after use. Cemented carbide is tough but crispy,please use it on flat ground, no dump,no drop,no impact.