Diablo premium drywall sanding sheets include break through innovations that improve performance, extend sanding life and increase productivity. Featuring a premium ceramic blend, these sheets deliver smooth finishes, faster and offer extra long sanding life than other sanding sheets. Clog-SHIELD™, Diablo own blend of grinding agents, reduces loading thereby maximizing productivity when sanding drywall, mud and plaster. The great grain bonding system, ENDURA-BOND™, provides Diablo sanding sheets with longer life and extreme durability. These sanding sheets are ideal when sanding medium to large surface areas.