* Optimal uni-flow ink system delivers consistent ink smoothness and color intensity * Bold point- 0.8mm * Refillable * Super Ink is specially formulated to prevent against fraud due to ink alteration * Archival quality, acid-free ink for great record-keeping * Quick-drying, water-resistant ink * Airplane safe - ink will not explode or leak due to change in cabin pressure * Stainless steel tip * Set of 8 pens includes 1 of each of black, blue-black, blue, green, orange, pink, red and purple