4" Diamond Whetstone™

Item # W4
Price: $30.59

  Grit Chart
Extra Extra-Coarse Extra Extra-Coarse - $30.59
In Stock
Extra-Coarse Extra-Coarse - $30.59
In Stock
Coarse Coarse - $30.59
In Stock
Fine Fine - $30.59
In Stock
Extra-Fine Extra-Fine - $30.59
In Stock
Extra Extra-Fine Extra Extra-Fine - $30.59
In Stock


4” Diamond Whetstone™ sharpener is a convenient pocket model. Comes with a protective leather sheath for easy access to a variety of sharpening, honing or filing needs. Stone measures 4-1/3” x 7/8” x 3/16”.

Grit Descriptions:

  • Extra-Extra Coarse diamond (120 micron / 120 mesh) for extreme removal of material and edge repair.
  • Extra-Coarse diamond (60 micron / 220) when significant removal of material is needed for a damaged edge.
  • Coarse diamond (45 micron / 325) to quickly restore a neglected edge.
  • Fine diamond (25 micron / 600 mesh) for a razor sharp edge.
  • Extra-Fine diamond (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond.
  • Extra-Extra Fine (3 micron / 8000 mesh) provides the finest polished edge of all bonded diamond abrasives.

Sharpening with diamonds is fast and easy. No messy oils needed, simply sharpen dry or with water. Durable construction will provide years of consistent performance and reliable service. For proper tool maintenance, woodworkers, chefs and other professionals rely on the superior quality and versatility of DMT® products. Made in USA.

  • Leather sheath provides easy access and portability
  • DMT®'s monocrystalline diamond surface sharpens knives faster than conventional stones
  • No oil is needed, simply sharpen dry or with water
  • Durable construction will provide years of consistent performance and reliable service

Do you have any questions?

  Call a Product Specialist

Monday through Friday, 8 a.m. - 4:30 p.m.
Phone US: 1-800-450-2172
Outside US: 1-608-203-1124

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Emails are answered Monday through Friday