This 300mm 6 rollers bush hammer plate are designed for making coarse ( 1line roller), medium(4 lines roller) and fine comma(6 lines roller) finishing on marble and limestone.Characteried by high efficiency and superior lifespan. To achieve different bush hammered finishing on your stones, we have different bush hammer tools help you to get the work done. These bush hammer plates allows a perfect uniform finish over the whole slab surface, it won't chipping the slabs even close to the edges.