If you are trying to make high level of accuracy line alignment in distance, none of manual line printing tool can be workable at all. It is just the best chance for users to make good use of Berlinlasers blue line laser module. Owing to its direct blue laser beam emission from 445nm blue laser diode and quite nice equipment with metal heat sink cooling system, this high power blue laser module is getting highly stable blue reference line targeting in long term use.
This blue line laser module gets the employment of qualified separate crystal lens. it is keeping even brighter and more visible blue laser beam emission than formal plastic coated lens or glass lens. Available with wide range optic lens degree of 10 degree to 110 degree, blue laser line is available within 0.5 meter to 6 meters. Users can make free choice of output power and optic lens degree, this blue laser module gets the most marvelous line alignment experience for multiple work fields, including laser cutting, military targeting, wood milling etc.
http://www.berlinlasers.com/445nm-50mw-80mw-100mw-blue-line-laser-module