Laser engraving machine: bamboo slips, wood, paper,jade, fabric,lether,shell, and the devil beans, signs, badge, in areas Laser Engraver ... uses flying optic beam technology which moves the laser beam back & forth and ... , 4" in diameter.19) Net weight: 70kg20) Machine Dimension: 980x680x280mm21) Packing Dimemsion: 1150x880x480mm22) Packing: Polywood boxSample ...