Picasso,a world famous brand,it has two type pen,the foutain pen and the rollerball pen. Firstly,the fountain pen nibs is polished by hand through several times and finally plated rhodium-one of the rare metal materials.On the surface to ensure its excellent writing property.For the regular iridium nibs,also selected the best from France and China,are strictly complied with hundreds of writing tests.You may enjoy the writing pleasure only by adjusting the hangdle angle to your best favorite. Secondly,the perfect combination of the American ink and Swiss tip insure "Picasso" roller refill writing and uneasy dried-out properly.