... materials (above HRC60 need special stylus)Repeat accuracy 0.02-0.04mmWork voltage/power AC220V±10%50Hz/300WInputting air ... of motorcycle, car frame ,automotive chassis, engine, mechanical part, machine tool, metal pipe, gear, pump body, valve, various hardness ... and graphics editor. Worked Samples Major partsDesk top marking machine, PC based marking controller SparesAir pressure valve, two marking ...