Sailor Junior Skeleton Demonstrator Nickle Chrome Platedmf Nib Fountain PEN [Body size] 17 x 134 mm [Nib] Stainless steel / Medium fine (MF) 0.75mm [Lid / Cylinder / Large-Scale] PMMA resin / Transparent [Method] Cartridge / Converter formula [Accessory] Cartridge ink (black) 2 pcs