For more than 50 years, POREX® writing nibs and reservoirs have defined consumer expectations for writing instruments of all shapes, sizes and varieties. As a global leader in the Science of Ink Flow Management, our engineers design nib and reservoir combinations that act as an optimized system to provide maximum ink delivery and control, and protect against leaks. Nibs with the perfect porosity and capillarity are paired with reservoirs that have the optimal fiber type, fiber density and wrap materials for your specific ink and instrument body. As a result, the world’s largest writing and printing manufacturers depend on the quality and consistency of our components to build their brands and earn their customers’ loyalty.