This is a laser head tip replacement for the Special Pro style laser head. It has a wider barrel and is specially designed for the special Pro laser head with bigger lens and mirror (25/30mm). The tip is designed to fit lens with focus length of 100mm. Air-assisted threaded hole is M3.
Tip diameter: 34.12.mm(O.D), 29.25mm (I.D)
Lens diameter: 25mm