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Each pen also features the Uni-flow ink system, which creates a steady flow of water-resistant ink and smooth, consistent color. The pigment-based ink forms an indelible bond to paper, resulting in strong colors and document security. It is resistant to chemicals that can wash away dye-based inks, thus preventing check washing (a common method of check fraud). The ink is acid-free, fade-resistant, and of archival quality, ideal for valuable documents. The pen is airplane-safe—a protective reservoir inside the barrel keeps air from expanding in the ink tube, thereby preventing in-flight leaks. The sleek durable metal clip, bend-resistant stainless steel tip, and tungsten carbide roller ball enhance the look and performance of the pen.
The 4 pens in this pack all contain black ink. They write the same as the regular Vision Elite 0.8 mm Black pen, shown in the writing sample photo. The pens have different body colors (black, metallic blue, gold, and silver), and all feature a diamond pattern.