Dry cutting blade with 0.080 rim edge thickness for power hand saws Synthetic diamonds are carefully selected for hardness to give consistent blade performance Cutting edge centered on the blade body for safety 2 percent cobalt in the matrix gives superior performance 100 times life of conventional abrasive blades Designed for cutting concrete, stone, brick and block 5/8 in. round arbor, 13/16 in. diamond knockout Max. RPM: 7000