laser stamp engraver 1.size 200x200,40w co2 sealed tube,blue color ... ,chinese character 2mm 3.format:BMP laser stamp engraverSD-40B Product Description: SD-40B laser stamp engarver is a simple and useful ... models, aviation and navigation models and wooden toys),advertisement,decoration,art crafts,electronics,and electric appliances,etc. Applicable Materials: Non-metal ...