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Mirka Gold Discs deliver superior sanding performance for professional flooring contractors. These 5" diameter, 80-grit abrasive discs feature advanced ceramic grain technology that cuts faster and lasts longer than conventional alternatives. The gold coating ensures consistent results across hardwood, engineered wood, and concrete substrates. With excellent dust collection compatibility and reduced loading, these discs minimize clogging and maintain cutting efficiency throughout the job. Ideal for intermediate sanding stages in floor preparation and refinishing projects. Sold by the box for reliable, cost-effective inventory management.