CUTTING EDGE Abrasive Discs are manufactured with high-quality C-weight paper, ideal for both coarse and fine grinding of various materials and metallurgical specimens. Our durable, industry-leading silicon carbide discs come with either plain backing or Pressure Sensitive Adhesive (PSA) backing for easy application. Custom sizes, hole diameters, and grit sizes are also available to meet your specific needs. Please note that the listed grit sizes follow USA standards.