Practice makes perfect and these Uni-Ball UF-222-07 Erasable Gel Pens are the perfect way to practice. This pack contains blue, pink and purple pens each using erasable ink so you can quickly correct any error!These pens feature an eraser at the end of the barrel for erasing mistakes in your work and they use an improved ink formula for denser and clearer handwriting. Encased in a sleek metallic coloured barrel and available in multiple colours, these pens are a great addition to any stationery set.. Erasable ink. Pack of 3. Opaque ink formula. 0.7mm. Retractable. Colours include: light blue, ink, purple. Approximate dimensions (mm) H 198 W 80 D 14