The Full Spectrum Laser Engraver is a popular commercial quality engraver built by Full Spectrum Lasers out of Las Vegas, NV. They provide a low cost alternative to asian laser engravers. Unlike foreign machines, you can get parts and service readily for a Full Spectrum product. They carry a hobby size model as well as commercial machines. 40 watts to 60 watts in power. A laser engraver can be used to simply engrave or to cut all the way through plastics and metals. Prices have come way down on these machines and they are now within the price range of both commercial operators and hobbyists. The website for Full Spectrum Lasers is www.fullspectrumengineering.com/ . The video below shows the 60 watt machine in operation.