Pilot Hi-Tec-C Coleto Gel Ink Pen Refill 0.5mm, 10 Color Set of Black, Red, Blue, Green, Violet, Pink, Orange, Clear Blue, Blue Black, Brown (Japan Import) Pilot Hi-Tec-C Coleto Gel Ink Pen Refill 0.5mm, 10 Color Set Black, Red, Blue, Green, Violet, Pink, Orange, Clear Blue, Blue Black, Brown