6 SHARPENING SLOTS : There are 6 slots in this electric knife sharpener ,each 2 slots work together on both side of knife ,100% diamond grinding wheel in coarse slot (360 grit ) and fine slot (600 grit ) ,which diamond abrasives ensure a sharpen faster and easier ,high tech resin in polish slot(1000 grit ), get any sharp degree that you want your knives.
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