This is the MK Diamond MK-414DSP Blade and this is just what you need. The MK Diamond 414DSP dry cutting hard brick blade blade is the gold standard of the industry - this is the one evey other brick blade is measured against. Laser welded for dry cutting and safety, it features fast cutting and the longest life or all name brand segmented blades available today. This MK Diamond segmented rim diamond blade is made for dry cutting of fired brick and other hard, non-abrasive materials.