- Saturated in an oil solution to minimize loading.
- Contains sharp white aluminum oxide abrasive that fractures into sharp pieces during polishing to extend the life of the abrasive grit.
- Popular general-purpose polishing stone often used for light EDM scale removal and machined surfaces.
- All tool steels of all hardness such as A2, D2, M2, S7, and H13.
- Sold in packages of 12