Get all 3 Hones! We now offer three sizes of these 600 grit honing cones. They are great for cleaning up the burr left inside the flute of gouges after grinding. They are coated with monocrystalline diamonds for fast cutting. We offer the following two sizes: The 4" has a plastic handle and tapers from 1/8" to 3/8" in diameter The 6" tapers from 3/8" to 3/4" in diameter The 8" tapers from 3/4" to 1-1/4" in diameter