Preventa® Standard Antimicrobial Counter Pen with Built-in AgION™ - nature``s antimicrobial AgION™ Protects the pen by preventing the growth of bacteria and microbes. Strong 24" ball chain keeps your pen safely attached to the base. High-density ink provides a smooth write that won``t smear or fade. Refillable ink allows for an extra-lo Pen Type: Ballpoint; Special Ink Type: N\A; Pen Style: Counter; Ink Color(s): Black.