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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$18.00green laser diode drive
1. laser point
2. for Jewelry Testing, we had checked
Jade and Brazil tourmaline Crack testing
Diamond, Ruby and saphire cutting surface testing
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$900.00Fiber-coupled green light flashlight for detectives
