• Precision laser-cut, spiral-hole design based on the Golden Ratio
• Maximum dust extraction for cleaner work environment and less potential for contamination in the shop
• Consistent throughout the life of the product
• Norton SG ceramic alumina grain for the entire grit range
• Superior cut on difficult to sand surfaces
• Substantially longer life and faster cut than conventional abrasive
• Unique fiber-reinforced latex/paper backing
• Flexible, strong, and tear resistant
• Water-based stearate coating (no-fill)
• Load resistant for extended product life