... , engineered stone and other stones. 2.Flat finish, fast,easy Wet Polisher For marble, granite, concrete, engineered stone and other stones.Flat ... easy to operate.Can be equipped with 220V or 110V polisher and grinder.Designed to produce a flat, swirl free finish ... , hone, polish or clean concrete, terrazzo, marble or granite surfaces.Wet and dry use are all available.Platen size: 4'' or 5''.