Signo Gel Impact RT UMN152 - Retractable tip for ease of use - The Signo Gel Impact has the broadest writing line available, so produces an ultimate smooth writing performance. Comprises fade resistant and waterproof pigment gel ink that protects against cheque and document tampering.Extremely comfortable with its ergonomically designed rubber grip and scratch free tip, the Signo Gel Impact is completed with a stylish designed barrel of high quality finish. Broad (0.8mm) line. Ideal for use in the office and home for those who prefer a broader handwriting style. Gel ink gives a smoother writing performance with no skipping or blobbing All of the pens in this pack contain uni Super Ink.Uni Super Ink provides super resistance, resilience, speed, legibility and colour that lasts. But how does uni Super Ink defy crime and time? It"s all down to larger particles of ink with super strong chemical bonds, for long-term resistance to even the toughest elements. When exposed to UV light, water, alcohol or absorbant paper, uni Super Ink holds fast, ensuring vivid and bright colour that stands the test of time, and even resists the solvents used by cheque and document fraudsters. Ink colours in the pack are 5 x blue.