Stainless Pipe extension to help you get to the bottom of ink bottles or bottles with narrow openings.

Fits Diamond series fountain pens: 580s, 580AL, 580ALR, 580RG, Diamond Mini, Diamond Mini AL, Diamond Mini RG, and Draco.

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

Item does not include any converters, nib units, pens or inks.