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The hand-held Dianova Cook Double Sided Diamond Sharpener and its diamond grit surfaces did a very good job sharpening several of my straight edge steel knives. It also nicely sharpened several pairs of my wife’s scissors and other blades.
The device measures 10” long, has a handle constructed of strong composite material, and is lightweight and easy to use. It has three functions, including a coarse side for initial sharpening, a fine side for final sharpening, and two rounded edges, which serve as a sharpening steel for honing your blades. The diamond grit surfaces are made from monocrystalline diamonds with a coarse grit rating of 350 and a fine grit rating of 600. I used 5 to 6 strokes on both sides (coarse then fine) and was very happy with the level of sharpening for this hand tool. Warranty: 100% money back guarantee.
Tomato and onion: Easy with the tomato, a little harder to get thin slices with the onion
Carrot tops: Easily removed with one stroke
Foam peanut: Slight resistance and minor tearing but provided a nice slice
Paper: Easily cut several slices with only slight resistance
Published On: 8/12/2018 Last Modified: 3/8/2021
Rick Browne does product testing and recipes. A renowned TV cooking show host, photojournalist, and author of 16 barbecue books, he was the creator, host, and executive producer of public television’s popular Barbecue America TV series, a cooking and travelogue highlighting the world’s outdoor culinary landscape. It has aired on more than 230 stations.
Browne has [...]
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