12V Industry/Lab Laser 450nm 1000mW 1W Blue Diode Laser Dot Module w/TTL & Adapter & Long Time Working: Amazon.com: Industrial & Scientific
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450nm 1000mw 1W High Power Pure Blue Line Laser Module 110° w/12×45mm + Holder + Adapter: Amazon.com: Industrial & Scientific
12V Industry/Lab Laser 450nm 1000mW 1W Blue Diode Laser Dot Module w/TTL & Adapter & Long Time Working: Amazon.com: Industrial & Scientific
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450nm 1000mw 1W High Power Pure Blue Line Laser Module 110° w/12×45mm + Holder + Adapter: Amazon.com: Industrial & Scientific