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Spyderco Doublestuff Sharpening Pocket Stone Sharpener (1 x 5 Inch Medium & Fine Grit Ceramic) 303MF

MANUFACTURER: Spyderco Knives
SP-303MF  MPN: 303MF
Retail Price: $49.95
Oso Grande Price: $32.95
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Spyderco 303MF Doublestuff Pocket Stone, Medium & Fine Grit. The Spyderco 303MF Double Stuff is made up of two grit stones (fine and medium) sandwiched together with a bonding agent combining the best of both worlds. Portable and versatile, Spyderco manufactures a variety of small pocket stones for field use and for honing small items. Each stone is sold separately, packaged in a leather carrying case and is sterilization/autoclave safe (great for dental tool sharpening).

The Double stuff is a 303F and 303M bonded together and packaged in a leather pouch offering a variety of sharpening options. This pocket stone fits in the palm and has both medium and fine grits packaged in a leather carrying case. It is autoclave safe (ideal for dental tool sharpening) or can be cleaned with a plastic scouring pad and powdered abrasive cleanser.


  • Made using the highest quality materials
  • Tested for quality and durability
  • The most trusted name in your cutlery needs
  • Fine and Medium Grit Double-Sided Sharpening Stone
  • Autoclave safe (ideal for dental tool sharpening)
  • Product Dimensions: 5 x 1 x 0.2 inches
  • Shipping Weight: 0.3 ounces
  • Brand: Spyderco
  • Item model number: 303MF
  • Model: Doublestuff Pocket Sharpening Stone
  • Includes pouch
  • Made in USA

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?? on 04/26/2016 09:20am
I keep one of these with me on a daily basis. It isn't aggressive enough for repairing major edge damage, but for edge maintenance, you can't beat it! Work some diamond or chromium oxide paste into the leather pouch, and you even have a strop for final polish. If you know what you are doing, you can make an edge hair popping sharp with this hone.
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Thank you Very much! I must say that you have excellent customer service, you dont have to put in so much effort, but I really do appreciate it! This kind of courtesy is Very rare nowadays.
--Lennart J. - Uddevalle, SWEDEN