The LARGE fits the full size Ink View pen.
Ink View colours Silver Ray. Copper ray. Emerald Ray.
There is a Jet Version, this takes a different type of sac that is no longer available.
The SMALL fits the Lady Patricia pen.
Ink View Lady Patricia colours. Sunset. Lace ( This version has a Black rear Barrel). Mist.
Please note that these sacs are NOT for the Ink View Pens with the one piece barrel.
When feeding the sac through the fixing unit SILICON GREASE