A ballpoint pen from TUZU is a new writing instrument brand that finds the perfect writing experience. [TUZU Ballpoint Pen] Thick and Smooth Ballpoint pen that naturally fits your fingertips. TUZU Tsuzu - If you mind it, you use it. When you write, you dont have to worry about it. You will find you have been using it for a long time. You can easily find the right writing experience, so you can easily get into accustion just by doing it. It is a good idea to use it when you are done. So you always use it if you notice it.