1. Material: cotton
2. High-density uniform sand flakes, long service life
3. Thickened and thickened grinding wheel, strong and durable, not easy to wear
4. Application: grinding, rust removal, deburring, polishing, wire drawing, etc. of inner holes of various metals, woods, stones, etc.
5. Scope of application: polishing
6. 50-layer thickness: 20mm
7. 70-layer: 25mm
8. 6-inch aperture: 16mm; diameter: 150mm
9. 8-inch aperture: 19mm; diameter: 200mm