Spyderco - White Silver - DoubleStuff Sharpening Stone - Fine Ceramic Stone and Cubic Boron Nitride - 303FCBN2
Knife Sharpeners - All Spyderco Knife Sharperners share the same key qualities.
they are quick and easy to use, do not require oil, water, or complicated clamps and fixtures, and do not need electricity..
CUBIC BORON NITRIDE - Cubic Boron Nitride is a superabrasive that is second in hardness to diamond. It offers greater abrasion resistance and thermal conductivity, making it the preferred abrasive in many advanced industrial grinding applications..