2mW 543nm Green HeNe Laser Tube – Meredith Instruments
LGK 7785 | 543nm 0.88 mm Beam Single-mode HeNe Laser
Model 1103, 2mW Random Polarization, Lumentum HeNe Laser
Buyr.com | Line Lasers | Makita SK700GD 12V max CXT® Lithium-Ion Cordless Self-Leveling 360° 3-Plane Green Laser, Class II, 510-530 nm, <2 mW, Tool Only