Arkansas Sharpeners Small Pocket Stone. This Knife Sharpener from the knife enthusiasts at Arkansas Sharpeners measures 3" x 1 1/8" x 1/4" and comes bulk packed. Don't let any one know you have a knife without the Arkansas Sharpeners Small Pocket Stone. Features of Arkansas Sharpeners Small Pocket Stone Knife Sharpener: Arkansas Small Pocket Stone Measures 3" x 1 1/8" x 1/4" Bulk packed Package Contents: Arkansas Sharpeners Small Pocket Stone Arkansas Sharpeners AC53: Small Pocket Stone