... drawings, samples.Cutting blade, fiber cleaver blade, glass cutter, quartz cutter, round cutter Super high wear-resistant/super sharp/stainlessWe can produce ... traces when you draw on the glass or quartz tube and not slip)Optional diamond steel has a very high ... insufficient rigidity, otherwise, cutter will be hit or chipping will happen.VRA201: Imported ultra micro-grain diamond tungsten steel, with ...