Never run out of ink with Jetstream RT Retractable Ballpoint Pen Refills. Medium point (1.0mm) pen refills contain unique, hybrid ink that delivers the smoothness & vibrancy of a gel pen with the quick-drying properties of a traditional ballpoint. Ink dries as quickly as you write to prevent smudging & smearing for neat-looking documents. Innovative, uni Super Ink technology settles ink particles deep into paper for protection against water, fading & fraud. Medium point delivers strong, bold lines, providing excellent document & signature readability.