BX" High Power Blue Laser Pointer 450nm Class IV 2,000mW - 3,000mW
OXlasers 4W 450nm Focusable Engraving Blue Laser Module for CNC 3018 3018pro with PWM (4W)
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TEM00 450nm Semiconductor Laser 70mW Blue Laser Small Divergence Angle
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450nm Blue Laser Pointer Pen Adjustable Focus Laser with 5x Laser Head | eBay
50000Mw 450Nm 5 in 1 Burning High Power Blue Laser Pointer Kits Black | Shopping from Microsoft Start