635nm 638nm Laser Module
635nm, 638nm, 637nm, orange red laser module
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12*45mm 500mW 638nm Dot/Line/Cross Orange Red Focusable Laser Module
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16*68 638nm Orange Red Line Laser Module
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12mm diameter, 35mm length
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635nm10mW Red Laser Module Line Laser Marking Cutting Button Cutting Machine Punching Machine Drilling Machine