Used only for testing to confirm the ink flow. This is a set of: SOU・SOU x KOKUYO CHINA Ballpoint pens, 2 pieces SO-SU-U Nurebairo (Wet Feather Color) - These are colorful and pop-style stationery items created in collaboration with the Chinese stationery manufacturer "KOKUYO CHINA." - These are push-type gel ink ballpoint pens. - The pen tip is 0.5mm, providing a smooth writing experience. ● Dimensions: Body: Approximately 14cm long x 1.6cm thick; Package: 20cm x 5cm ● Ink Color: Black ● Line Width: 0.5mm ● Materials: Body Shaft: PC (Polycarbonate) Grip: PMMA (Acrylic / Polymethylmethacrylate resin) ● Recommended Compatible Ink Cartridge: <Eravelno> Ink (Black 0.5mm) PRR-EG5D (※Sold separately) ● Made in Japan Shipped via Rakuraku Mercari Bin or Yu-Yu Mercari Bin. The shipping method may be changed depending on the package size. Please purchase if you do not mind that these items are stored at home by a non-professional and are used. Please be aware that there may be oversights due to amateur inspection. Please refrain from purchasing if you are sensitive to such matters.