The Artline Rollerball Pen has an ultra-smooth roller ball tip allowing for blur free lines | Ideal for general writing use in the home, office or work environment | These Artline Rollerball Pens have an ultra-smooth rollerball tip that produces blur-free lines | This pack contains an assortment of 2 x Black, 1 x Blue & 1 x Red rollerball pens with a 0.7mm line width