Set of four creative black ink rollerball pens

This pen is made of plastic and measures 22.5 centimeters in length with a diameter of 3.8 centimeters. It features a fine point tip of 0.38 millimeters for precise writing. The pen is available in pink, blue, silver, and gold colors, with black ink. A small white ball on the tip protects the pen point during transportation and should be removed before use.