Chef’s Choice 320 Diamond Hone Knife Sharpener


  • Get long lasting edges with two-stage sharpening
  • Elastomeric spring guides perfectly hold knife blades
  • Unique patented stropping stage
  • 100% Diamond honing; assured to never detemper
  • Safe for quality knives


  • Slightly difficult to operate
  • Coarse stage is extremely fast

Chef’s Choice 320 Diamond Hone Knife Sharpener is an incredible multi-stage knife sharpener. You will get a sharp edged knives in one go. Your dull or blunt knives won’t be dull any more, if this sharpener is in your home.

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You can sharpen a wide range of knives with Chef’s Choice 320; whether it can be serrated blades, sports knives or pocket knives. It can also work best with Santuko and traditional Japanese style single-bevel edges and double –bevel blades.


This knife sharpener is assembled in the USA and promises a perfect sharp edge with two-stage sharpening system. 100% diamond abrasives in the first stage intended to hone and second stage integrates the polymer disks (also known as flexible stropping slot) to polish the knife’s edge. Straight-edge knives must go through both stages, whereas serrated blades should solely be used in the polishing stage.


Chef’s Choice 320 Diamond Hone Knife Sharpener is safe to use with good-quality knives. You can set sharpening angles according to your requirements. For instance- set 15-degree edge for Asian knives & a 20-degree edge for European style knives. Watch the following video to learn how to use this sharpener effectively.

When it comes to the system test, you need to pay more attention while following manufacturer’s instructions otherwise you will end up shave off metal of your knives.

Warning: The coarse slot is really fast. Thus, sometimes it can be hard to balance the pull-thru process while coarse sharpening.

Note: To get effective results of sharpening, you need to follow the manufacturer’s directions with care. To keep the blade sharp, you need to use buffing wheel every time you use the knife.

Additional Features: Simple ON / OFF switch, stabilizing feet & durable structure. This sharpener comes with 3 years limited warranty.

This sharpener is safe & easy to use; simply plug-in, turn it on and start pull-thru process with knife blades. Inbuilt elastomeric spring guides tuck knife blades at the right angle to provide hair-splitting sharpness.

Read The Real Customer Reviews of Chef’s Choice 320 Diamond Hone Knife Sharpener