With four colours in one pen, the Bic 4 Colours Ballpoint Pen is a versatile choice for teachers, editors and other users. It features four smooth sliders at the top of the barrel for easy selection between black, blue, red and green ink. The chunky blue barrel provides a firm grip for comfort and control. This medium format pen features a 1mm tip for a line width of 0.4mm, ideal for general handwriting use.