Dry or wet cut diamond wheel ,for cutting brick ,block and tile,fast shallow cutting ,matrix design minimizes chipping ,steel body delivers constant depths of cutting . -Advanced diamond martix for longer life . -Enhanced material removal ,lasts up to 100 times longer than abrasive blades . -Fast and easy cutting with less power requirements . -Provides straight constant depths of cutting ,eliminates multiple blade changing . -Provides the ultimate performance in cutting concrete ,reinforced concrete ,stone ,granite ,brick and tile . -A flange is added to the wheel center for extra cutting control . -Size :180*22.2*2.5mm. -Max.8400RPM -Used with portable power tools ,fits most angle grinders .