Frankfurt diamond abrasive specially used for rough and medium grinding on a natural granite and artificial quartz slabs Diamond abrasive is an ideal replacement of traditional silicon carbide abrasives, with which machine-stop and tools-installation time can be reduced thus the working efficiency increased by a great degree These products can be used on all polishing machines. Product feature: 1. Special design for a long lifespan and high sharpness. 2. Frankfurt metal abrasive is used for rough grinding on marble slabs or concrete. Product specification: