Expander will come with an adapter without extra fee.
This expander reduces beam divergence by increasing the beam diameter by three times. It extends the effective range of the laser beam(visibility) dramatically. Made with a solid stainless steel housing, this expander is fully focus adjustable allowing users to control and focus the beam to where they want.
Housing material: Stainless Steel
Expand Ratio: 3
Thread Pitch: 0.5mm
Connect hole size: 11.4mm
Exit hole size: 29.2mm