FeaturesBic 4-Colour Pen 4-Colour writing in a single refillable pen Perfect for recording data in different coloursInk colours include - Blue Black Red and GreenPack of 10The Bic 4 Colour Retractable Ballpoint Pen Blister (Pack of 10) 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.