This ballpoint pen has a nostalgic, retro design paired with a smooth writing application. Contains ultra-low viscosity oil-based ink. Uses an ultra precision processed 0.5 mm ball tip to achieve a smooth writing application and ease of movement. Mix and Match Upper and Lower Shaft to create your own customized Anterique Ben Made in Japan. Ballpoint Pen Upper & Lower Barrel (Mix & Match) 0.5mm Permanent Ink 9.3cm Anterique