CNC Circular Saw Blades Sharpener NBS 800 The next generation of CNC sharpening machines, the NBS 800 brings the joy of sharpening process- higher quality sharpening results, operator safety, and remote access support via internet. Brochure Band Saw Blades Grinder NBS 300: (overall view at work) https://youtu.be/CgDRmLde38UBand Saw Blades Grinder NBS 300: (vario teeth)https://youtu.be/dfSo5UptTBA