Zebra 0.5mm Black Gel Ink Refill (RJSB5-BK), for Zebra Multi Function Pen Shabo X Ballpoint Pen, &times; 5 Pack/total 5 pcs (Japan Import) [Komainu-Dou Original Package] Refill for Shabo X Series (LT3/ST3/CL5/SC5/ST5/CB8/TS10), Toretchento(B3A10) , Fortia Stylus Ink color: Black Pen tip diameter: 0.5mm Gel ink