Spyderco 303M Pocket Stone Medium Grit 1″ x 5″ with Suede Pouch


 

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Spyderco’s medium-grit (brown) ceramic pocket stone is compact, lightweight, and ideal for touching up edges in the field. It comes with a protective suede carry case that doubles as a non-slip base during use. The perfect addition to a pack, survival kit, or bug-out bag, it only adds a few ounces of weight to your load and it is easily cleaned with household cleanser, a scouring pad, and water.

  • Ceramic
  • Medium Grit
  • 1″ Wide x 5″ Long
  • Made in USA

Spyderco sharpening tools are made of “High Alumina Ceramic,” a U.S.A. made material with the ability to cut any metal know to man.  It is formed when alumina particles (synthetic sapphires) are mixed with a ceramic bonding agent.  The mixture is shaped and kiln fired at temperatures in excess of 3000 degrees F. for up to three days.

Spyderco ceramics come in three grits – medium, fine, and ultra fine – none of which requires lubricants such as oil or water for use.  Each grit serves as a different purpose in the sharpening process.  The medium grit stone produces a good working edge by efficiently removing steel and reshaping the bevel of a dull cutting tool.  The fine grit stone the tightens the scratch pattern, creating a razor-sharp edge.  The fine and ultra-fine grit stones are “close celled” (the perticles that make them up are very dense) and will show little or no wear over time.  The medium grit stomes are “open-celled” (particles are less dense) and will wear only slightly over time.

All stones are dishwasher and autoclave safe.  In addition, steel particles can be removed from any of the stones using a powdered abrasive cleaner and a nylon or non-metallic scouring pad.

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