303MF/M/F Pocket Stone

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The 303MF/M/F Pocket Stone is a smaller sharpening stone suitable for freehand sharpening knives and many other edged tools. The 303 Pocket Stone comes in several grits and variations.

Appearance in catalogs

The 303MF/M/F Pocket Stone appeared in the following catalogs:

Designer

History, mentionings from the forums etc.

Information from the Spyderco catalog on the web

303M Pocket Stone Medium

"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.

Made in USA"[1]


303F Pocket Stone Fine

"Spyderco’s fine-grit (white) 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.

Made in USA"[2]


303MF Double Stuff

"Spyderco’s Double Stuff pocket stone is double sided, offering a medium-grit (brown) stone on one side and a fine-grit (white) stone on the other. Permanently joined by industrial adhesive, these stones create a versatile, compact sharpening tool that is 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 and is easily cleaned with household cleanser, a scouring pad, and water.

Made in USA."[3]


303FCBN2 Double Stuff™ 2 CBN/Fine with Pouch

"Spyderco’s Double Stuff two-sided pocket stone has long been the sharpening tool of choice for fishermen, outdoorsmen, and other knife users who needed a handy, versatile sharpener for touch-ups in the field.

The Double Stuff 2 takes this time-tested concept and does it one better by combining an aggressive Cubic Boron Nitride (CBN) abrasive on one side with a fine ceramic stone on the other. This allows the quick, efficient sharpening of dull or chipped edges as well as the easy maintenance of well-sharpened edges in the field. To make the Double Stuff 2 even better, one long edge of each stone offers a radiused surface for sharpening serrations and the fine stone includes a longitudinal groove for fish hooks and pointed tools. Ideal for pocket, pack, or tackle box, the Double Stuff 2 comes complete with a handsome suede pouch.

Cubic Boron Nitride (CBN) is Made in China - Fine Ceramic Stone is Made in USA"[4]

Variations

SKU From/To MSRP Note
303M 1986 - $32.00 (2021)
303F 1986 - $32.00 (2021)
303MF 1986 - $52.00 (2021)
303FCBN2 2018 - $77.00 (2021)

Most collectible variation

Any early production 303MF/M/F Pocket Stone in good condition with all of its parts and accessories and original packaging, would be considered a collectible.

Questions regarding collecting the 303MF/M/F

Some interesting questions we are looking for an answer to:

Questions with an answer:

References

  1. The 303M Pocket Stone Medium in Spyderco's online catalog
  2. The 303F Pocket Stone Fine in Spyderco's online catalog
  3. The 303MF Double Stuff in Spyderco's online catalog
  4. The 303FCBN2 Double Stuff™ 2 CBN/Fine with Pouch in Spyderco's online catalog

Pictures

The 302M Pocket Stone.
The 303M Pocket Stone.
The 303MF Double Stuff.
The 303FCBN2 Double Stuff™ 2 CBN/Fine with Pouch.

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