A black colour brush tip pen from Pentel that is filled with a water-based ink for you to create beautiful watercolour effects with. It features a synthetic fibre brush tip meaning it will hold it\'s shape and is valve-activated for a really smooth flow without any leakage giving you a wonderful drawing experience. The cartridge inside the pen can be refilled with black ink FR-101X and will give vivid colours making for an excellent companion in your drawing process. Ideal for artists looking for an alternative to traditional watercolours and brushes. - Brand: Pentel - Colour: Black - Create wonderful watercolour effects - Refillable cartridge with black ink FR-101X - Valve-activated for an extra smooth flow with no leakage