This mini blue Olympio ballpoint refill has been designed by S.T. Dupont to fit their collection of twist mechanism mini ballpoint pens. The individual refill features a royal blue colour that is perfect for signing official documents or writing out reports. The refill features a medium-sized nib with a rolling ball design to help produce a smooth line when writing. This S.T. Dupont refill features instantly dry ink to help minimise the number of unwanted smudges on your work. The small refill works perfectly with all mini twist mechanism ballpoint refills by Dupont.