LASER TREE 450nm 4800mW Blue Fiber Coupled Laser Diode
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10000M High Power Blue Laser Flashlight Pointer Can Burn Matches, Hay, Etc. 450NM Laser Finger Star Pen, Paper 1 Second Smoke - AliExpress
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445-450nm High Power 1.6W 1600mw Blue Laser Diode Dot Module / w18x45mm & 6.7-7.5V: Amazon.com: Industrial & Scientific
Amazon.com: AENBUSLM 40W (5W Output Optical Power) Laser Engraving Module, 450nm Laser Head for CNC Laser Cutter Machine, Ultra Fine Air Assist DIY Laser Engraving Tool Suitable for Wood Metal Acrylic Paper