... higher quality mark in the metal surface. Technical Parameters ModelCTDB-HB 100W Laser Power100WLaser Wavelength1064nmFrequency1KHz-50KHzStandard Marking Area110mmX110mmAdjust Marking Area75mmX75mm 200mmX200mmMarking ... buttons, building materials, PVC pipe, medical equipment industries, etc… DP-HB 100W Diode Side Pump Laser(DPSSL) Marking Machine