This is an unique laser head that capable of containing a 35mm mirror for a CO2 laser system with beam expander installed.
Adjustable length: 40mm
Mirror size : 35mm
Lens size: 25mm
Beam hole: 24.0mm
Beam direction: Left to Right
Note: Good for focal length 63.5mm/2.5" focus lens. If focal length is more than 63.5mm/2.5", proper replacement tip is required.
Air assisted plug included(picture does not show)