No matter dot measuring work is processing at close or long distance, it is not easy to reach with a simple red laser pointer. At the same time, after constant technical innovation of 650nm red laser diode tech and qualified glass coated lens inside highly durable metal housing tube, it is being made into a quite practically device of economy red dot laser alignment. On basis of easy use of an external electric power source and easy mounting onto any industrial machine or device, it just takes

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