Hard Arkansas Stones
These are natural Arkansas Stones, quarried and shaped in the USA. Arkansas stones have long been workhorses for sharpening edges of all descriptions. They traditionally used with Honing Oil.
Hard Arkansas Stones are classified as fine or extra-fine grit and are used for refining and maintaining edges. They are often used after coarser Aluminum Oxide or Silicon Carbide stones.
Dimensions
The 4" Hard Arkansas Triangle files are available in three sizes:
- 1/4" Triangle
- 3/8" Triangle
- 1/2" Triangle
Perfect for Tight Spots
The Triangle Arkansas File is a versatile abrasive. The triangle shape allows access to tight areas that round or square files just can't get to. Whether used for sharpening edges or for filing and shaping metal parts, these files are an invaluable addition to your tool kit.
Useful For:
- Serrated Knives The points of the triangle files are great for getting into serrations of all sizes.
- Carving Tools Triangle files are effective at sharpening the inside of a V-Tools or other similar carving tools.
- Filing Machinists often use triangle files for filing in tight spots.
Proudly made in the USA. Made of natural stones quarried in Arkansas.
Q. What grit are Hard Arkansas Stones?
A. Arkansas Stones are graded not by grit numbers like other types of stone, but by their density and hardness. Hard Arkansas stones are in the middle of the Arkansas stones overall, and are considered to be Fine or Extra-Fine grit on Our Sharpening Stone Grit Chart. Also see our article Arkansas Stone FAQ's for more information.
Q. How do the grits of the Arkansas Stones compare to other types of oil stones?
A. Arkansas Stones are finer than Silicon Carbide or Aluminum Oxide stones, and are often used after those types. See our article Difference in Sharpening Stone Materials for more information.
4" Long Hard Arkansas Triangle Files

