Pentel S520 Sign Pen, Black Ink, 10 Pens - Brand: Pentel - Model: S520 - Ink Color: Black - Quantity: 10 pens Thank you for viewing. These are new, unused, and unopened Pentel pens that I purchased new several years ago. They are water-based black ink. The box will be folded and included for shipping purposes. If you do not need the box, please let me know via message after your purchase. Thank you for your consideration.