BIC 4 Colours Original gives you 4 different colours of ink in the same pen, letting you switch between them as your work dictates so you can efficiently complete your writing tasks. The round blue barrel contains 4 points that write with red, blue, green and black inks. The 1.0mm points write with an elegant 0.32mm line width, and combined they will write for an average of 8,000m making this a great, versatile pen for home, work or the office.