Uni-Ball Eye Fine UB-157 Rollerball Coloured Pens Assorted Colours Pack of 24 Limited Edition Great value pack of 24 coloured ink rollerballs. Please note pens come loose. Fade resistant vibrant colours, fine nib. The uni liquid ink flow system ensures continuous writing, right to the very last drop of ink. An everyday use pen for in the home - office - school - college - work. Full selection of vibrant colours and normal standard colours.