Mini Beta Type-R “Iris Fields”

*** All specs are approximate ***

Thread-less cap

Capped - 142mm (6mm shorter than normal)

Uncapped - 136mm

Pen is 13mm at the smallest taper in the section, gradually increases to 16.5mm at widest point, and tapers back down to 12mm at the rear.

Postable - No

Eyedropperable - Yes with silicone grease on nib housing threads and rear threads

Nib - Jowo #6

Converter - TWSBI standard converter