In order to get high precision line indication at long extending distance, it makes a good job with a Berlinlasers 532nm green laser line generator. It emits ultra high fineness and high uniformity green line from a qualified separate crystal lens, which gets different line lengths within 0.5 meter to 6 meters. Within freely installed distance of 3 meters, it brings users the best direction, high speed and high precision green line alignment for all precise machinery processing works perfectly.
https://www.berlinlasers.com/532nm-separate-crystal-lens-green-laser-line-generator
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