Amazon.com: LASER TREE Laser Engraver Module (10W Optical Power), 450nm 80W Laser Module with Air Assistance, Built in FAC, Double Ultra-Fine Compressed Spot Laser Head for Laser Engraving Cutting Machine,12V
Amazon.com: Laser Engraver Cutting Module, LASER TREE 10W Output Optical Power Diode Laser Head, Double Ultra-Fine Compressed Spot Laser Cutter Module with Air Assistance, Laser Engraver for Wood and Metal, 24V