Bic 4 Colours Pro Retractable Ballpoint Pen (12 Pack) 902129 With four colours in one pen, the Bic 4 Colours Ballpoint Pen is a versatile choice for teachers, editors and other professional users. It features four smooth sliders at the top of the barrel for easy selection between black, blue, red and green ink. The chunky black barrel provides a firm grip for comfort and control. This medium pen features a 1mm tip for a line width of 0.4mm, ideal for general handwriting use. This pack includes 12 pens. Bic 4 Colours collection - Pro Smooth sliders for colour selection Medium 1.0 mm tip for 0.4 mm line width Retractable design makes it easy to switch between colours Barrel colour: Black Ink colour: Black, Blue, Red and Green Pack of 12