... with big applicability for different type factories 2). fast sharp cutting 3). long lifespan advantage:1). grade A with ... big applicability for different type factories2). fast sharp cutting3). long lifespan 4). good working effeicency Some ... single blade, multi-blade;** Professional fomula are used coorespondently for cutting granite,marble,limestone, LAVA stone, onxy, concrete, asphalt, ...