This is an excellent value pack of 10 BiC Cristal Ballpens with medium nibs. Featuring a medium brass point with tungsten carbide ball, the BiC Cristal is a highly durable ballpen. The BiC Cristal also has a clear barrel so you can see the ink supply. Its roll-proof, hexagon-shaped barrel provides comfortable, controlled writing. This classic BiC Cristal Ballpen is perfect for everyday general use in the home or office.