15W Laser Head Engraving Module with TTL 450nm Blu-ray Wood Marking Cutting Tool | eBay
15W Focusable Blue Laser Module Head 15000mW For CNC Engraving Cutter Machine | eBay
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24v 7w 15w Laser Head, Blue Laser Module, Actual Wattage. Actual Power, Oxidizable Metal Can Be Carved, With Pwm Ttl - Woodworking Machinery Parts - AliExpress
Powerful 450nm 15w 15000mw Blue Laser Module Diy Laser Head For Cnc Laser Engraving Machine And Laser Cutter With Pwm - 3d Printer Parts & Accessories - AliExpress