... circumference marking. For example: stainless stell flange ,carbon steel flange, alloy steel flange ,forged ring, pipe , pipe fitting ... MAIN PART DETAIL MARKER MOTOR SITONG load linear bearingHIWIN M20solenoid valveSMCOil filter SMCStylus pin 4setRotary ... : Support WINDOWS98/ME/XPUSB CONNECTION Support multi-kinds fondSupport linear ,angular , radial , indination, inverted ,mirrored marking ...