INKTUBE MATERIAL TUBE COLOR BACK PLUG COLOR TIP MATERIALBALL SIZE BUTTER GEL INK, OIL-BASED INKRED, BLACK, BLUE PPWHITE, BLACK, COLORLESS WHITE, BLACK, BLUE, RED, COLORLESS, WHITEBNP 0.5MM, 0.8MM, 1
INKTUBE MATERIAL BACK PLUG COLOR TIP MATERIALBALL SIZE BUTTER GEL INK, OIL-BASED INKRED, BLACK, BLUE BRASS TUBE, NICKEL PLATEDRED, BLACK, BLUE BNP, SS0.8MM, 1.0MM