These are steel triangles blanketed in a bonding agent then covered in diamond particles. Diamond hard abrasives are recommended when you wish to remove stock, for restoration purposes and to aggressively re-shape, re-bevel and re-profile a cutting edge. 7" X 0.5" (178mm X 13mm)

Sold in a pair, 204D triangles fit into the 204 Sharpmaker sharpening system.

Use them dry, without oil, water or lubricants. To Clean: rinse in fresh water 

 Country of Origin: China

Product Videos 

Spyderco Sharpmaker - Introduction (1 of 4)

 Spyderco Sharpmaker - Introduction (2 of 4)

Spyderco Sharpmaker - Introduction (3 of 4)

Spyderco Sharpmaker - Introduction (4 of 4)