Search results for 'green laser'
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$13.99635nm10mW Red Laser Module Line Laser Marking Cutting Button Cutting Machine Punching Machine Drilling Machine
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$17.9816*68 638nm Orange Red Cross Hair Laser Module Sharp Laser Diode In
comparing with 650nm at the same output, the 638nm is more brighter
as single mode laser diode is, the line effect is clear and stable.
