Pilot Explorer Fountain Pen in Lime Green Nib Size:Medium Four very small metal ball

Four very small metal ball bearings inside the barrel help break up surface tension air bubbles for a smoother ink flow and prevent ink from collecting on the converter's sides

Noodler's Ink - Fountain Pen - Ahab Flex Nib - Wilderness Twilight (formerly known as Zuni) - Flex Nib:

Cannot use ink cartridges to fill

Robert Oster Bottled Fountain Pen Ink in Marine Blue Features

and features them on a black lacquered background in Hira Maki-e (Flat Maki-e)

Pilot Explorer Fountain Pen in Lime Green Nib Size:Medium Four very small metal ballCelebrating 100 Years of excellence with the highest quality writing instruments, Pilot is pleased to announce it's new Explorer Collection. These pens, with their fluid lines and elegant finishes are modern classics. Featuring a stylish, premium matte metallic finish, Explorer is available in six classic colors with black trim and stainless steel nib. Elegantly presented in a lovely gift box and available in fine or medium point. Refillable for