TWSBI Pipe

Overview

TWSBI's Stainless Pipe extension has been designed to help you get to the last drops of ink around those awkward angles and bottle corners.

Suitable for use with following TWSBI fountain pen models:
Diamond series 580s, 580AL, 580ALR, 580RG, Diamond Mini, Diamond Mini AL, Diamond Mini RG

Also fits the TWSBI converters: spring converter, traditional converter. (Top fitting standard international hole size)

Specifications