Amazon.com: LASER TREE 40W(5W Output Optical Power) Laser Engraving Module, 450nm Laser Head for CNC Laser Engraver/Laser Cutter Machine, DIY Laser Engraving Tool Suitable for Wood Metal Acrylic Paper Etc
BX" High Power Blue Laser Pointer 450nm Class IV 2,000mW - 3,000mW
2 Colors Laser Pointer 450nm 100mW Blue & Green Outdoor : High Power Burning Laser Pointers,DPSS Laser Diode LD Modules, Kinds of laser products