No matter line aligning work is processing at close distance or long distance, an advanced 650nm red laser diode tech applied device of red line laser module is projecting highly visible red laser beam, and highly fine and straight red reference line from beam aperture. It gets advanced use of glass coated lens or separate crystal lens within 10 to 110 degree, after easy installation and adjustment of red line fineness and projecting direction, this laser line generator just assures the best price and the most precise red line alignment constantly.
https://www.berlinlasers.com/650nm-red-line-module-non-gaussian-distribution
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