Diameter of AixiZ line generator lens?

[grenadier]

Hi Forum,

If anyone has one of these lenses handy, would you be able to tell me what the diameter of it is?

http://www.aixiz.com/store/images/Line lens.jpg

Thank you!

 

[Alaskan]

I bought some from a China seller, so the size might be slightly different, but the ones I bought were vert close to 3/16 of an inch diameter.