Writes as smoothly as a fountain pen, without the mess. uni Super InkTM provides three-way protection against water, fading and fraud. Archival-quality, acid-free ink provides neat, accurate lines. Attractive black matte finish with strong, long lasting metal clip. Stainless steel tip. Point Size: 0.5 mm; Point Type: Micro; Ink Color(s): Green; Pen Type: Roller Ball.