Robert Oster Ink,50ml - Thunderstorm _related_related-to-kaweco-sport-bp Dimensions: 22cm x 12cm x

Dimensions: 22cm x 12cm x 1cm

Break-resistant lead feeding mechanism

Press again and it retracts just as smoothly

Lightweight plastic body in Shadow Green with orange accent hardware

allowing you to personalize your writing

Robert Oster Ink,50ml - Thunderstorm _related_related-to-kaweco-sport-bp Dimensions: 22cm x 12cm xRobert Oster Thunderstorm is a premium fountain pen ink known for its deep, storm inspired tone and reliable performance on fountain pen friendly paper. This rich bluish gray colour delivers balanced saturation with subtle shading variation, making it suitable for everyday writing, journaling, planning, and creative projects. Formulated for smooth, consistent flow and minimal feathering, Thunderstorm performs dependably across a variety of nib sizes