different tips 450 nm blue laser pointer

... dot, cross, and 360° circle industrial laser pointers. Available wavelengths include 405 nm, 450 nm, 520 nm, 635 nm, 650 nm, 780 nm, 850 nm, 980 nm, and 1064 nm, with output power options ranging from 1 mW to 200 mW. Line widths, working distances, and...