Wolff Neo 400The Wolff Neo 400 is a powerful 230V floor grinding machine ideally suited for working in medium sized to large areas. It is designed to efficiently and aggressively remove even the hardest coatings from concrete subfloors. High area output Efficient and aggressive removal even of very hard coatings Effective dust extraction through two suction nozzles Handle continuously adjustable in height Support wheel allows easy movement of the machine on soft