Elevate your writing to the next level with GlideWrite super low viscosity ballpoint pens. Advanced breakthrough ink formula - techniflo. is a super low viscosity ink that rensures rich ink flow for smooth, easy writing. Unique white barrel offers stylish design that is eye-catching and well balanced. Latex-free colored grips are contoured for remarkable comfort and control during extended writing sessions. Grips and plunger are colored to match ink inside. 1.0mm metal tip writes clean medium lines with no skipping or smudging. Refillable with Bxtl 10 ink refills. What is super low Viscosity? Viscosity is the measurement of the thickness of fluids. The higher the viscosity, the thicker the fluid Honey, for example has high viscosity, while water has very low viscosity. TechniFlo ink is super low viscosity, which means it flows extremely easily to provide a super-smooth writing experience.