Pilot Precise V5 RT Retractable Rolling Ball Pens feature a unique liquid ink formula that maintains consistent flowing strokes.With patented precise needle point technology, each pen has a ringed ink feeder for a smooth and even ink flow, and a visible ink supply lets you see how much ink is left.These pens come with 0.5mm extra fine point tungsten carbide tips and are available in a variety of colours (sold separately) to emphasise, organise, and colour-code information.Pilot Precise V5 RT pens have a retractable, new-age design that is refillable and also safe for aeroplane use.An all-around quality retractable pen - pick one up today!