Diablo, 4 diamond segmented cutoff discs for masonry Diablo’s diamond segmented masonry cutoff discs provide extreme durability and longer life in concrete, concrete with rebar, brick and cinder block These diamond rimmed discs deliver up to 2 times longer cutting life versus standard diamond cutoff discs The disc’s industrialgrade diamonds with hardened disc body delivers lasting durability and maximizes cutting quality in hardened materials even in extreme applications