304M Pocket Stone

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The 304M Pocket Stone is a portable sharpening stone suitable for freehand sharpening knives and many other edged tools.

Appearance in catalogs

The 304M Pocket Stone appeared in the following catalogs:

  • 1986 Spyderco Product Guide
  • 1990 Spyderco Product Guide


History, mentionings from the forums etc.

Information from the Spyderco catalog on the web

304M Pocket Stone

1" x 5" x 1/4" Pocket Stone - Medium Grit (grey). Leather carrying case[1]


SKU From/To MSRP Note
304M 1986 - 1990 $9.98 (1986)

Most collectible variation

Any 304M Pocket Stone in good condition with all of its parts and accessories and original packaging, would be considered a collectible.

Questions regarding collecting the 304M

Some interesting questions we are looking for an answer to:

Questions with an answer:


  1. The 304M Pocket Stone in Spyderco's 1986 Product Guide


The 304M Pocket Stone as shown in the 1990 Spyderco Product Guide.