Laser Pointer
405nm violet blue laser pointer, 450nm blue laser pointer, 650nm red laser pointer, 980nm laser pointer, ir laser pointer, laser pointer pen
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$17.00445nm 455nm 450nm <5mW Blue Laser Pointer Pen -
$18.001. For Jewelry Testing, we had checked
2. Jade and Brazil tourmaline Crack testing
3. Diamond, Ruby and saphire cutting surface testing
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$14.98980nm IR Infrared 5mW Laser Pointer Pen Currency Detector Anti-Fake
