Half Round Aluminium Oxide Abrasive Files. | A range of sharpening stones to cover a variety of sharpening and honing applications. Most of the shapes and sizes are available in fine, medium and coarse grades. All stones can be used wet or dry to produce sharp cutting edges or to remove burrs. | | Aluminium Oxide: Man-made abrasive which is extremely tough enabling high speed penetration of high tensile materials without causing excessive fracturing. This resistance to fracturing makes it a versatile material suitable for general sharpening and honing applications. |