Piano Fineliner Pen 0.3mm Pack of 10Piano Fineliner Pen 0. 3mm Pack of 10 The Piano Fineliner Pen 0. 3mm Pack of 10 is a must have for precision writing and drawing tasks. Featuring a Japanese 0. 3mm nylon tip, these pens deliver fine and consistent lines with every stroke. Their easy grip design ensures comfortable handling, even during extended use. The click on cap provides convenience and protects the tip when not in use. With water based ink, these pens offer smooth and effortless