I do not use this ballpoint pen. Specifications: Ballpoint pen two kinds each one set Size: about 18 cm (up to about 36 cm) Material: [body axis] brass, stainless steel, [mascot] ABS resin, PMMA (transparent parts) Ball ink: oily black Ball diameter: 0.7 mm. The item "Sailor Moon Instruction Ballpoint Pen Outer Senshi Eternal Set BANDAI" is in sale since Saturday, October 10, 2020.This item is in the category "Collectibles\Animation Art & Characters\Japanese, Anime\Sailor Moon\Other Sailor Moon". The seller is "shinoe5714" and is located in Osaka. This item can be shipped worldwide.