• 220A grit
• Silicon carbide abrasive, a sharp synthetic mineral that cuts fast and smooth
• Use with water or cutting oil to reduce clogging and extend abrasive life
• Offered in two weights of waterproof paper to suit your specific sanding needs: flexible "A" weight backing for contour sanding and durable "C" weight backing for improved stock removal and leveling general surfaces
• For flat areas, for use by hand or with sanding block.