This high quality laser head mount set is made for the DIY CO2 machine. It's designed to carry a 50/55mm (20mm dia.) focus lens and a 25mm reflection mirror. The barrel is adjustable and has an air assistant option ready.
Adjustable length: 40mm
Mirror diameter: 25mm
Lens diameter: 20mm
Beam direction: Left to Right
Barrel O.D: 20mm
Note: Good for focal length 50.8mm/2" focus lens. If focal length is more than 50.8mm/2", proper replacement tip is required.
Air assisted plug included (picture does not show)