635nm 638nm Laser Module
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$64.0012*45mm 500mW 638nm Dot/Line/Cross Orange Red Focusable Laser Module
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$17.98
16*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.
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$12.00
12mm diameter, 35mm length
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$13.99
635nm10mW Red Laser Module Line Laser Marking Cutting Button Cutting Machine Punching Machine Drilling Machine