● Woodworking · Review

DMT W8CX-WB 8-Inch DuoSharp Bench Stone

Diamond abrasive never wears out of flat -- the correct answer for flattening water stones

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read

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DMT W8CX-WB 8-Inch DuoSharp Bench Stone
Best Diamond

DMT W8CX-WB 8-Inch DuoSharp Bench Stone

DMT

Diamond abrasive never wears out of flat -- the correct answer for flattening water stones

  • Diamond abrasive
  • Two grits (coarse/fine)
  • No water required
  • Stays flat permanently

Pros

  • Diamond abrasive never wears out of flat -- the correct answer for flattening water stones
  • No water required -- use dry or with a small amount of water
  • The most durable sharpening surface available
  • The correct tool for flattening water stones and lapping plane soles

Cons

  • Surface texture is different from water stones -- some woodworkers find the scratch pattern coarser
  • Diamond stones dish slightly in the center over years of use
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