Diablo's diamond segmented masonry cut-off discs provide extreme durability and longer life in concrete, concrete with rebar, brick and cinder block. These diamond rimmed discs deliver up to 2X longer cutting life versus standard diamond cut-off discs. The disc's industrial-grade diamonds with hardened disc body delivers lasting durability and maximizes cutting quality in hardened materials even in extreme applications. Multi-material cut-off disc for a variety of applications Reinforced steel disc body for more controlled cuts Advanced laser melting process for longer life Carbide grit cutting edge produces less sparks and dust Maintains cutting diameter for more consistent cutting results and longer life Does not shatter, break or damage the cutting edge when dropped Not recommended for metal cutting applications For dry cutting