Uni flow ink system of these pens makes your writing effortlessly neat and flawless. It comes with an exclusive ink system that delivers smooth-flowing ink and ensures consistency. The quality of our products is what makes readstore the best online stationery shop in Pakistan. These pens are bend-resistant, and have stainless steel tips, and a tungsten carbide rollerball that makes the writing experience pleasurable. Uni-ball Vision Elite Fine Refillable Roller Ball Pen comes in 1PC. The ink is water and fade-resistant that helps you compose the longevity of documents you wish to store.