Trying to match this size?
- If you like to work in inch sizes, 23:12 is the closest metal size match for T14 rubber.
- If you prefer to work in millimeters, 9M12 is the closest match.
The aspect ratio for T14 rubber rings is 4.63
inner diameter = 9.25mm (roughly 23/64″)
“wire” size = 2.00mm (0.079″)
A few examples using T14 rubber rings: