... 4).Safely wooden packing.... co2 glass laser tubeCO2 Laser tube-It's special glass tube mainly contains CO2 complemented ... high voltage. It is widely used for Industrial Cutting, Laser Engraving, Laser industrial processing, Quencher, Cutting & Engraving on Leather ... detecting, etc.function:(1)industrial engrave and cut , medical(2)applicable material:leather, cloth,glass, stone,acrylic,wood,color ...