Solarforce M3 glass diameter?

[DellSuperman]

Hey all, i recently dropped my Solarforce M3 head & the glass shattered.
I have no ways of measuring the diameter accurately so i hope someone can help me with it.
Thank you very much..

- JonK

 

[LilKevin715]

Measurements here ;)

 

[DellSuperman]

Thanks mate!
Btw, nice cat in ur profile picture.

- JonK