... to drawings, samples.Cutting blade, fiber cleaver blade, glass cutter, quartz cutter, round cutter Super high wear-resistant/super sharp/stainlessWe ... to drawings, samples.round cut blades ( glass, glass pipe, LD, quartz etc.) are used to cut hard and brittle material ultra ... to leave traces when you draw on the glass or quartz tube and not slip)Optional diamond steel has a very high ...