450P-2IN1-100-BL 2 in 1 450nm 5mw Blue Laser Pointer with Star Cap. Wavelength 450nm. When you screw off the cap, it is a pure blue laser pointer. 1 x 450P-2IN1-100-BL 450nm 5mw 2 in 1 laser pointer with a star cap (Battery not included for easy custom clearance).
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