Different from any prior line drawing or printing work, the real use of a Berlinlasers 445nm blue line laser alignment brings users quite special line measuring solution for both of long distance and long lasting use. Being made with different fan angle made glass or separate crystal lens within 10 to 110 degree, after projection of highly fine and straight blue line within 0.5 meter to 6 meters line length, it provides users excellent line positioning experience for all industrial and high tech precise machinery processing works effectively.
https://www.berlinlasers.com/blue-line-laser-alignment
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