The DEWALT DW4743 industrial 12-inch cured concrete cutting segmented diamond saw blade provides 350 times the life of conventional abrasives, and its continuous rim turbo design ensures optimal results when used on brick, block, and tile. This 12-inch blade with one-inch (20 millimeter) arbor boasts a maximum speed of 6,300 RPM for use across a wide variety of applications. Let the power of diamonds do the tough work for you. The large diamond segments with cobalt provide an ideal combination for cutting through even the toughest cured concrete with exceptional accuracy.