Technical Information:

Lens material for: K9
Lens Dimensions: diameter 5mm, length 7mm /10mm /11mm
Finish: Uncoated
How to use: just put this lens in all kinds of laser light outlet, it can issue a “word line” pattern.
Precautions:
Do not touch the surface of the lens directly with your hands, do not let the lens surface in direct contact with a hard object,
So as not to scratch the surface,
we usually use plastic forceps.