... Grinder Model DMSQ-C is the best choice for sharpening center.Automatic Grinder Model DMSQ-CMain function / Technical parameters 1. Water ... of 1.7m, 2.2m, 2.4m, 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.