If users are getting serious need of clear and fine line alignment at quite long work distances, it is not easy to reach with manual line drawing, but making high efficiency measurement with Berlinlasers 445nm blue laser line generator. It projects moderate brightness blue laser light directly from a 445nm blue laser diode within 50mW to 100mW.
In various industrial and high tech precise line aligning work fields, within freely installed distance of 3 meters, this compact size tube made blue line laser module enables easy installation, quick response and good direction blue line alignment in distance. After its easy adjustment of laser line fineness, it brings users the most precise measurement for laser show, laser displaying, military targeting, laser medical therapy and high tech work etc.
https://www.berlinlasers.com/445nm-glass-lens-blue-laser-line-genrerator
https://www.berlinlasers.com/445nm-separate-crystal-lens-blue-laser-line-generator