... motor,linear guide Small acrylic laser engraving machine HR-6040 Applicable materials: Acrylic, crystal, glass, ceramic, marble, granite, metal coating, cloth, fabric, wood ... sign, and the paper product.Technical parameter Small laser engraving machineHR-6040Laser type : CO2 laser-glass laser, water-cooledLaser power : 40 W /60WEnergy Regulator ...