Tachikawa Pure White 3-piece set TPW3S Water-based gel ink ballpoint pen. It produces white color without bleeding the base. It's a white ink used for expressing light in illustrations, etc. Line widths are approximately 0.5mm, 0.8mm, and 1.0mm. I am selling this because I accidentally bought it thinking it was a correction pen. Only the 0.5mm pen has been used a couple of times. The others are unused. The bag was torn when opened, so it has been taped. I will take waterproof measures and wrap it in cushioning material before shipping. #ArtSupplies