Thank you for viewing. PILOT Gel Ink Ballpoint Pen Juice Up 0.5mm (Extra Fine) 10-piece set. Model Number: LJP200S5-10C Ball Diameter: 0.5mm (Extra Fine) Packaging: Yes Brand new, unopened. One rank up in smoothness, An evolved fine-writing ballpoint pen. It uses a new pigment gel ink that achieves a smooth writing feel. The newly developed Synergy Tip allows for smooth starting and a smooth writing feel while writing finely. The newly developed pigment ink is water-resistant and light-resistant, so you can use it with confidence on documents. It has a slim and stylish design that is perfect for business situations.