Ruby Sharpening Rod, 3000 Grit, 3.94 Inch Cylindrical Sharpening Stone, Abrasives, Polishing Stone, Whetstone

1. This sharpening stone is made of high-quality materials, is very hard, wear-resistant, and retains its shape well. 2. The structure is delicate and compact, with a barely abraded surface and high hardness. 3. Simply add a few drops of water when sharpening; the sharpened blade is very sharp, suitable for sharpening and fine grinding knives. 4. It is suitable for parts with high finishing requirements, such as precision measuring tools and instrument components. 5. Suitable for working with hardened steel and high-toughness alloy steel. Specification: Item Type: Pencil Sharpener Material: Ruby Purpose: Industrial Tool Grinding Basic Parameters: Roughness: 3000 Mesh Specification: Cylindrical Length 100 mm/3.94in Diameter: 2 mm / 0.1 inch, 3 mm / 0.1 inch, 4 mm / 0.2 inch, 6 mm / 0.2 inch, 8 mm / 0.3 inch, 10 mm / 0.4 inch Package List: 1 x 2 mm Pencil Sharpener 1 x 3 mm Pencil Sharpener 1 x 4 mm Pencil Sharpener 1 x 6 mm Pencil Sharpener 1 x 8 mm Pencil Sharpener 1 x 10 mm Pencil Sharpener Note: Store in a safe place and be careful not to drop it from a height.