... linear guide rail2.Centralized refueling device3.Scraper jig (optional device)4.Imported electrical components (optional device)Automatic Grinder Model DMSQ-C ... , 2.6m, 2.8m, 3m, 3.2m, 3.5m, 4m, 4.5m, 5m, 5.5m, 6m, 6.5m, 7m, 7.5 ... , 8m, 8.5m, 9m, 9.5m, 10m, Total of 21 specifications. DMSQ-1600C (CE) Grinding Machine Grinder Sharpener