08-27-2014, 04:46 PM
The orifice size is about 1/8". I tried to put through the 1/8"bit, and it went slightly loose, but the cup is over 20 years old. Here is my 16B straight after spraying, no polishing involved.
[Image: http://i881.photobucket.com/albums/ac17/...69282b.jpg]
[Image: http://i881.photobucket.com/albums/ac17/...69282b.jpg]