Diablo, 2 pack, 4" x 24", 36 grit, sanding belt, break through innovations that improve performance, extend sanding life & increase productivity, featuring premium zirconium blend, remove material faster than other sanding belts, offers extra long sanding life, clog shield, blend of grinding agents, reduces loading & maximizing productivity, superior grain bonding system, endura bond provides diablo's belts with longer life & extreme durability.