... quality 3,large gear polisher 4,for concrete,stone artificial stone surface polisher is not only grinding and polishing ... terrazzo, but also for repairing, grinding, polishing, crystallizing millstones.artificial stone surface polisher HWG 70 has the quickest motor speed ... , resin bond.3, Remove painting, coating, epoxy, urethane, glue, polyurethane, mastic with PCD tools.Parameter: Weight 280KG Extra ( ...