Portable,simple,affordable and practical grinding machine. HF125,HF126 Circular saw blade sharpner/grinderIt is a simple, ... portable,affordable and practical grinder machine, which is recommended to use in private households and small ... -30 °Rear corner of sharpened blades, 0 - 30 °Size of diamond grinding wheel, mm 100h12h2Rotational speed of the grinding wheel, r ...