Cap snaps securely into place. Black Ink Lamy 5 1/2L x 1/2 diameter; 1.25 oz. Regarded worldwide as a pioneer in modern pen design, Lamy has been a chief innovator in the field for decades. The inspiration of a noted Swiss designer, the Lamy Studio Rollerball Pen has a wide elliptical barrel and is designed for writing comfort and high performance. With its propeller-like clip and sleek finish, the Lamy Studio Rollerball Pen matches forward-thinking style with superior function. Founded in 1930, Lamy develops and produces all its products at its factory in Heidelberg, Germany.