This Rollerball Gift Pens Aluminum material surface barrel with oxidation treatment gives you comfortable grip, proper weight and good balance for longhand writing. Stylish appearance make it a good pen gift set for Men and Women in all occasions. 0.5mm metal tip provides you smooth writing experience on most paper types. Black ink dries fast, no fading, Smudging or Bleed-through; Suitable for office, business, executive, students, writers, writing important documents, personalized signature and so on.