Lamy dialog is graded as Dialog 1, 2 and 3. Lamy Dialog 1 is a Ballpoint Pen very much different than the second and third in its looks. The edgy triangular designed ballpoint features a push button mechanism and closes with magnetic impulses. The writing comfort is equally exclusive. The Lamy Dialog 2, a Rollerball Pen which is sleek and futuristic features a patented retractable clip. Lamy Dialog 3, the fountain pen features a 14 K retractable Gold nib and clip. The nib when drew back is perfectly safe from dirt and dust while your pocket or bag is absolutely safe from ink spillage and damage.