Natural Novaculite, excellent for sharpening gravers, chisels, knives and other fine cutting edges.
For dressing, shaping, and truing grinding wheels and points.
Fast cutting aluminum oxide abrasive in a variety of shapes, prefilled with oil. Ideal for sharpening chisels, gravers, knives and precision tools.
Pure synthetic ruby with no bonding material, extremely hard & wear-resistant. Use to touch up, dress, or debur hardened steel & carbide and glass, quartz & porcelain.