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‎DMT (Diamond Machining Technology)

DMT DuoSharp 8-inch Whetstone

$68.96across 14 retailers

The DMT WM8FC-WB 8-Inch DuoSharp Plus Bench Stone offers a convenient and efficient sharpening solution with its fine/coarse dual-sided diamond surface. The stable base and quick sharpening capability make it a great tool for maintaining knives and tools, although it might be considered pricey by some. Overall, it’s an excellent investment for those seeking a reliable and long-lasting sharpening stone.

Model: WM8FC-WBUPC: 17042003692
Lowest at Amazon
$70.17 at Amazon
Lowest at any Popular Retailer
$68.77 at Home Depot

Where to Buy

Prices last updated: April 27th 2026 8:31 am

Pros

  • No oil needed for sharpening, just water
  • Duaided with fine and coarse grits for versatile sharpening
  • Includes a stable base with rubber feet to hold the stone firm
  • Quick sharpening performance as noted by multiple users
  • Users appreciate the diamond material for lonasting use
  • Easy to clean with soap and water
  • Efficient and effective sharpening, especially for knives
  • Portable despite its stable base

Cons

  • Some users found the price to be on the higher side
  • May require frequent dressing to maintain flatness
  • A few users mentioned that it takes time to get used to the sharpening technique
  • Some found it challenging when working with very hard steel

Bottom Line

The DMT WM8FC-WB 8-Inch DuoSharp Plus Bench Stone offers a convenient and efficient sharpening solution with its fine/coarse dual-sided diamond surface. The stable base and quick sharpening capability make it a great tool for maintaining knives and tools, although it might be considered pricey by some. Overall, it’s an excellent investment for those seeking a reliable and long-lasting sharpening stone.

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What Reviewers Are Saying

Praised
quality product5%
very well made5%
works great at flattening5%
Criticized
diamond wears off quickly5%
surface started coming off5%
not for me5%
flimsy holder5%
great but used5%
doesn’t maintain grit/courseness5%
nothing special5%

Customer Ratings

694 reviews averaging 4.5 out of 5 stars from Amazon
4.5
694 reviews
5
73%
4
17%
3
5%
2
2%
1
4%

Based on 694 reviews from Amazon

Common Questions

The DMT WM8FC-WB DuoSharp Double-Sided Diamond Whetstone is pretty nifty because it offers both a coarse and a fine side, which serve different purposes when you're sharpening stuff. The coarse side, ...

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Discussion

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