Designed specially for use by carpenters and mechanics. Ideal for sharpening dull tools. Produces a keen lasting edge. These stones may be used dry or with oil. The IB8 combination stone has one coarse and one fine face.Select Option 200mm x 50mm x 25mm - Coarse200mm x 50mm x 25mm - Combination200mm x 50mm x 25mm - Fine200mm x 50mm x 25mm - Medium Add to Basket Quantity