JK-6040 CO2 laser engraving machine / Acrylic : 1.laser tube (life):1500hours 2.minimum character:1.5*1.5mm 3.water cooling JK-6040 CO2 laser cutting machine :Apply industry: professional for handicrafts, bamboo products, advertising decoration, clothing, leather, printing plate, decorations and decorating, construction model, various signs sculpture, seals: plexiglass and non-metallic materials. ...