What is a 511 cartomizer?

[rocknmum]

Local smoke shop has them. Wondering what they could possibly fit?

 

[Northernshrink]

Must be a typo 510 me thinks

 

[hvac999]

I agree...

 

[BostonVape]

lol if a new threading came out without me knowing i'll be ...... !!

but yea seems like a typo

 

[rocknmum]

All the products seem to have the same numbers. Looks sort of like 510 or L88 they are XL. I belive the brand says smart smokes. Some place out of NY.