BX3" Burning Blue Laser Pointer 450nm 1000mW - 1500mW
7W 20w 450nm Laser Module Head Laser Module Head Suitable for NEJE MASTER Laser Depth And Metal Engraving Machine Home DIY Tool|Woodworking Machinery Parts| - AliExpress
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450nm 1000mw 1W High Power Pure Blue Line Laser Module 110° w/12×45mm + Holder + Adapter: Amazon.com: Industrial & Scientific
LASER TREE 80W Laser Module with Air Assist 450nm Laser Engraving Machine Cut | eBay
1300mW, 450nm Laser ZQ1, 45° | Edmund Optics
Military High Power Blue Laser Pointer 450nm | Laser Blue Strong Military - High - Aliexpress