What size trowel best for final polish 14 16 or 18 inch

[Ball E]

Trowel best for final polish 14 16 or 18

 

[bobski]

Depends

 

[ChrispyUK]

15 or occasionally a 17

 

[Monkey Boy]

Length of trowel irrelevant

 

[essexandy]

Plaster shouldn't be polished.
The end.

 

[Cockney]

Just use the one that you put on with.

 

[Steve Brown]

E wouldn't stand for End by any chance?