Surface grinding machine ELB Optimal 6375 ND part overtook Surface Grinder Model: Optimal 6375 ND grinding area: 600 X 375 X 375 mm grinding wheel: 300 X 50 X 76.2 mm Year: 05/1989 accessories electric magnetic chuck 600 X 350 mm digital display Y (vertical) + Z (crossroad) Hand lever-dressing water box with paper band filter grinding wheels with wheel